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1
Which is farther from -3 on the number line: -42 or 38?
Artithmetic - Absolute Value and Number Lines
Medium
ExplanationDistance from -3: |-42 − (-3)| = 39, and |38 − (-3)| = 41. So 38 is farther.
Arithmetic GMAT GRE Mathematics Practice Set
2
Simplify 7/28 to its lowest terms.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation7 and 28 share a common factor of 7; dividing both by it gives 1/4.
Arithmetic GMAT GRE Mathematics Practice Set
3
Round 47.0212 to the nearest hundredth.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationRounding 47.0212 to the nearest hundredth gives 47.02.
Arithmetic GMAT GRE Mathematics Practice Set
4
A shopkeeper marks up an item costing Rs. 785 by 24%. What is the markup amount (in Rs.)?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationMarkup amount = CP × 24/100 = 785 × 0.2400 = Rs. 188.4.
Arithmetic GMAT GRE Mathematics Practice Set
5
Round 496.5753 to the nearest hundredth.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationRounding 496.5753 to the nearest hundredth gives 496.58.
Arithmetic GMAT GRE Mathematics Practice Set
6
How many integers satisfy |x + 16| < 15?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|x + 16| < 15 means -31 < x < -1. The integers strictly between -31 and -1 number 29.
Arithmetic GMAT GRE Mathematics Practice Set
7
What is |49| − |-17|?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|49| − |-17| = 49 − 17 = 32. (Note this is generally different from |49 − (-17)|.)
Arithmetic GMAT GRE Mathematics Practice Set
8
Which is greater: 2/3 or 13/14?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation2/3 = 0.6667 and 13/14 = 0.9286, so 13/14 is greater.
Arithmetic GMAT GRE Mathematics Practice Set
9
Simplify 8/12 to its lowest terms.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation8 and 12 share a common factor of 4; dividing both by it gives 2/3.
Arithmetic GMAT GRE Mathematics Practice Set
10
What is 12/5 × 9/2?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationMultiply numerators and denominators: (12×9)/(5×2) = 54/5.
Arithmetic GMAT GRE Mathematics Practice Set
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11
An interest rate rises from 51% to 67%. By how many percentage points did it increase?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationA percentage-point increase is a simple subtraction: 67% − 51% = 16 percentage points.
Arithmetic GMAT GRE Mathematics Practice Set
12
A shop offers successive discounts of 50% and 30% on an item marked at Rs. 400. What is the final selling price?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationFinal price = 400 × (1 − 50/100) × (1 − 30/100) = Rs. 140.
Arithmetic GMAT GRE Mathematics Practice Set
13
If an integer n leaves a remainder of 2 when divided by 4, what is the remainder when (n + 13) is divided by 4?
Arithmetic - Number Properties
Medium
Explanation(n + 13) ≡ (2 + 13) = 15 (mod 4), which leaves remainder 3 when divided by 4.
Arithmetic GMAT GRE Mathematics Practice Set
14
For a = -1 and b = -13, is |a + b| equal to |a| + |b|, or strictly less than |a| + |b|?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|a + b| = 14 and |a| + |b| = 14. Since a and b have the same sign, the two are equal.
Arithmetic GMAT GRE Mathematics Practice Set
15
A value is first increased by 95% and then decreased by 65%. What is the overall net percentage change?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationStarting with 100: after the first change it becomes 195.00, and after the second change it becomes 68.25 — a net change of -31.75% from the original 100.
Arithmetic GMAT GRE Mathematics Practice Set
16
How many solutions does the equation |x − 1| = 21 have?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|x − 1| = 21: since 21 is positive, there are two solutions.
Arithmetic GMAT GRE Mathematics Practice Set
17
If 22 workers can complete a task in 9 days, how many days would 2 workers take to complete the same task (assuming the same work rate per worker)?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationTotal work = 22 × 9 = 198 worker-days. With 2 workers, days = 198/2 = 99.
Arithmetic GMAT GRE Mathematics Practice Set
18
What is the units digit of 6^51?
Arithmetic - Number Properties
Medium
ExplanationUnits digits of powers of 6 repeat in a cycle of length 1. Using 51 mod 1, the units digit is 6.
Arithmetic GMAT GRE Mathematics Practice Set
19
What is the smallest positive integer that is divisible by all of 11, 19, and 12?
Arithmetic - Number Properties
Medium
ExplanationThe smallest such number is LCM(11, 19, 12) = 2508.
Arithmetic GMAT GRE Mathematics Practice Set
20
How many prime numbers are there between 36 and 57, inclusive?
Arithmetic - Number Properties
Medium
ExplanationThe primes between 36 and 57 are [37, 41, 43, 47, 53], totaling 5.
Arithmetic GMAT GRE Mathematics Practice Set
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21
Simplify 9/54 to its lowest terms.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation9 and 54 share a common factor of 9; dividing both by it gives 1/6.
Arithmetic GMAT GRE Mathematics Practice Set
22
An item marked at Rs. 2704 is sold at a discount of 25%. What is the selling price?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationSelling price = Marked price × (1 − 25/100) = 2704 × 0.7500 = Rs. 2028.
Arithmetic GMAT GRE Mathematics Practice Set
23
What is 6.6 × 9.7?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation6.6 × 9.7 = 64.02.
Arithmetic GMAT GRE Mathematics Practice Set
24
Simplify 20/4 to its lowest terms.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation20 and 4 share a common factor of 4; dividing both by it gives 5.
Arithmetic GMAT GRE Mathematics Practice Set
25
What is the highest power of 7 that divides 53! (53 factorial) exactly?
Arithmetic - Number Properties
Medium
ExplanationUsing Legendre's formula, the exponent of 7 in 53! is floor(53/7) + floor(53/49) + ... = 8.
Arithmetic GMAT GRE Mathematics Practice Set
26
What is the simple interest on Rs. 6618 at 18% per annum for 7 years?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationSimple Interest = (P × R × T) / 100 = (6618 × 18 × 7) / 100 = Rs. 8338.68.
Arithmetic GMAT GRE Mathematics Practice Set
27
What single discount is equivalent to two successive discounts of 18% and 6%?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationEquivalent discount = 100 − (100−18)(100−6)/100 = 22.92%.
Arithmetic GMAT GRE Mathematics Practice Set
28
How many integers satisfy |x − 4| < 2?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|x − 4| < 2 means 2 < x < 6. The integers strictly between 2 and 6 number 3.
Arithmetic GMAT GRE Mathematics Practice Set
29
What is 4 + 2/3?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationUsing a common denominator, 4 + 2/3 = 14/3.
Arithmetic GMAT GRE Mathematics Practice Set
30
What are the solutions to |8x + 8| = 80?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation8x + 8 = 80 or 8x + 8 = −80, which solve to x = 9 and x = -11.
Arithmetic GMAT GRE Mathematics Practice Set
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31
The digits of 3794 sum to 23. Based on this, is 3794 divisible by 3?
Arithmetic - Number Properties
Medium
ExplanationA number is divisible by 3 if and only if its digit sum is divisible by 3. Here the digit sum is 23, which is not divisible by 3.
Arithmetic GMAT GRE Mathematics Practice Set
32
What single discount is equivalent to two successive discounts of 4% and 40%?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationEquivalent discount = 100 − (100−4)(100−40)/100 = 42.4%.
Arithmetic GMAT GRE Mathematics Practice Set
33
What is 11/3 + 1/4?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationUsing a common denominator, 11/3 + 1/4 = 47/12.
Arithmetic GMAT GRE Mathematics Practice Set
34
What is the smallest positive integer that leaves a remainder of 4 when divided by 6 and a remainder of 5 when divided by 7?
Arithmetic - Number Properties
Medium
ExplanationSince both remainders are exactly 2 less than their divisors, the answer is LCM(6, 7) − 2 = 42 − 2 = 40.
Arithmetic GMAT GRE Mathematics Practice Set
35
If 15 pens cost Rs. 330, how much would 10 pens cost?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationCost per pen = Rs. 330/15 = Rs. 22. So 10 pens cost 10 × Rs. 22 = Rs. 220.
Arithmetic GMAT GRE Mathematics Practice Set
36
What is the smallest positive number that must be added to 6230 so that the sum is exactly divisible by 42?
Arithmetic - Number Properties
Medium
Explanation6230 divided by 42 leaves remainder 14, so adding 42 − 14 = 28 makes it exactly divisible by 42.
Arithmetic GMAT GRE Mathematics Practice Set
37
6198 is exactly divisible by which of the following numbers?
Arithmetic - Number Properties
Medium
Explanation6198 ÷ 2 = 3099, a whole number, so 2 divides 6198 exactly.
Arithmetic GMAT GRE Mathematics Practice Set
38
What is the least common multiple (LCM) of 25 and 14?
Arithmetic - Number Properties
Medium
ExplanationLCM(25, 14) = 350, the smallest number divisible by both 25 and 14.
Arithmetic GMAT GRE Mathematics Practice Set
39
What is the sum of 5 consecutive even integers starting from 46?
Arithmetic - Number Properties
Medium
ExplanationThe 5 consecutive even integers are [46, 48, 50, 52, 54]; their sum is 250.
Arithmetic GMAT GRE Mathematics Practice Set
40
What is 173.17 − 118.21?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation173.17 − 118.21 = 54.96.
Arithmetic GMAT GRE Mathematics Practice Set
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41
A shopkeeper marks up an item costing Rs. 1375 by 45%. What is the markup amount (in Rs.)?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationMarkup amount = CP × 45/100 = 1375 × 0.4500 = Rs. 618.75.
Arithmetic GMAT GRE Mathematics Practice Set
42
How many prime numbers are there between 69 and 97, inclusive?
Arithmetic - Number Properties
Medium
ExplanationThe primes between 69 and 97 are [71, 73, 79, 83, 89, 97], totaling 6.
Arithmetic GMAT GRE Mathematics Practice Set
43
What are the solutions to |x + 35| = 25?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|x + 35| = 25 means x is 25 away from -35, so x = -35 + 25 = -10 or x = -35 − 25 = -60.
Arithmetic GMAT GRE Mathematics Practice Set
44
Which is greater: 7/2 or 3/2?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation7/2 = 3.5000 and 3/2 = 1.5000, so 7/2 is greater.
Arithmetic GMAT GRE Mathematics Practice Set
45
What is the distance between 92 and 16 on the number line?
Artithmetic - Absolute Value and Number Lines
Medium
ExplanationThe distance between two points on a number line is |92 − 16| = 76.
Arithmetic GMAT GRE Mathematics Practice Set
46
Which is farther from 17 on the number line: -23 or 4?
Artithmetic - Absolute Value and Number Lines
Medium
ExplanationDistance from 17: |-23 − 17| = 40, and |4 − 17| = 13. So -23 is farther.
Arithmetic GMAT GRE Mathematics Practice Set
47
What is 85% of 227?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
Explanation85% of 227 = (85/100) × 227 = 192.95.
Arithmetic GMAT GRE Mathematics Practice Set
48
The digits of 8581 sum to 22. Based on this, is 8581 divisible by 3?
Arithmetic - Number Properties
Medium
ExplanationA number is divisible by 3 if and only if its digit sum is divisible by 3. Here the digit sum is 22, which is not divisible by 3.
Arithmetic GMAT GRE Mathematics Practice Set
49
What is 2/5 + 11/7?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationUsing a common denominator, 2/5 + 11/7 = 69/35.
Arithmetic GMAT GRE Mathematics Practice Set
50
If 24 workers can complete a task in 19 days, how many days would 6 workers take to complete the same task (assuming the same work rate per worker)?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationTotal work = 24 × 19 = 456 worker-days. With 6 workers, days = 456/6 = 76.
Arithmetic GMAT GRE Mathematics Practice Set
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51
What single discount is equivalent to two successive discounts of 35% and 5%?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationEquivalent discount = 100 − (100−35)(100−5)/100 = 38.25%.
Arithmetic GMAT GRE Mathematics Practice Set
52
What are the solutions to |x| + 21 = 45?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|x| + 21 = 45 means |x| = 24, so x = 24 or x = -24.
Arithmetic GMAT GRE Mathematics Practice Set
53
What is 1.1 × 10.7?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation1.1 × 10.7 = 11.77.
Arithmetic GMAT GRE Mathematics Practice Set
54
The ratio of boys to girls in a class is 1:14. If there are 14 boys, how many girls are there?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationSince boys:girls = 1:14 and there are 14 boys, each 'part' = 14/1 = 14, so girls = 14 × 14 = 196.
Arithmetic GMAT GRE Mathematics Practice Set
55
How many positive factors (divisors) does 58 have?
Arithmetic - Number Properties
Medium
Explanation58 = 2^1 × 29^1. The number of divisors is the product of (exponent+1) for each prime factor = 4.
Arithmetic GMAT GRE Mathematics Practice Set
56
What is the simple interest on Rs. 1278 at 13% per annum for 5 years?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationSimple Interest = (P × R × T) / 100 = (1278 × 13 × 5) / 100 = Rs. 830.7.
Arithmetic GMAT GRE Mathematics Practice Set
57
Round 405.3043 to the nearest hundredth.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationRounding 405.3043 to the nearest hundredth gives 405.3.
Arithmetic GMAT GRE Mathematics Practice Set
58
Rs. 10170 is invested at 16% simple interest per annum for 6 years. What is the total amount after 6 years?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationAmount = Principal + Interest = 10170 + 9763.2 = Rs. 19933.2.
Arithmetic GMAT GRE Mathematics Practice Set
59
What is |-20 × 10|?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|-20 × 10| = |-20| × |10| = 20 × 10 = 200.
Arithmetic GMAT GRE Mathematics Practice Set
60
After a 90% increase, a quantity became 38. What was the original quantity?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationOriginal × (1 + 90/100) = 38, so original = 38 / 1.9000 = 20.
Arithmetic GMAT GRE Mathematics Practice Set
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61
How many integers satisfy |x + 17| < 12?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|x + 17| < 12 means -29 < x < -5. The integers strictly between -29 and -5 number 23.
Arithmetic GMAT GRE Mathematics Practice Set
62
What is 4/3 ÷ 5/2?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationDividing by a fraction means multiplying by its reciprocal: 4/3 × 2/5 = 8/15.
Arithmetic GMAT GRE Mathematics Practice Set
63
What is the smallest number that must be subtracted from 5618 so that the result is exactly divisible by 44?
Arithmetic - Number Properties
Medium
Explanation5618 divided by 44 leaves remainder 30, so subtracting 30 makes it exactly divisible by 44.
Arithmetic GMAT GRE Mathematics Practice Set
64
An interest rate rises from 38% to 45%. By how many percentage points did it increase?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationA percentage-point increase is a simple subtraction: 45% − 38% = 7 percentage points.
Arithmetic GMAT GRE Mathematics Practice Set
65
Which of the following numbers lies between 27 and 53?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation46 lies strictly between 27 and 53, while the other options fall outside that range.
Arithmetic GMAT GRE Mathematics Practice Set
66
What is the sum of 6 consecutive even integers starting from 6?
Arithmetic - Number Properties
Medium
ExplanationThe 6 consecutive even integers are [6, 8, 10, 12, 14, 16]; their sum is 66.
Arithmetic GMAT GRE Mathematics Practice Set
67
What is the smallest positive number that must be added to 3518 so that the sum is exactly divisible by 31?
Arithmetic - Number Properties
Medium
Explanation3518 divided by 31 leaves remainder 15, so adding 31 − 15 = 16 makes it exactly divisible by 31.
Arithmetic GMAT GRE Mathematics Practice Set
68
Which of the following numbers lies between -7 and 22?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation-6 lies strictly between -7 and 22, while the other options fall outside that range.
Arithmetic GMAT GRE Mathematics Practice Set
69
What is 3/4 ÷ 1/2?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationDividing by a fraction means multiplying by its reciprocal: 3/4 × 2 = 3/2.
Arithmetic GMAT GRE Mathematics Practice Set
70
What is the sum of 8 consecutive integers starting from 39?
Arithmetic - Number Properties
Medium
ExplanationThe integers are 39 through 46; their sum is 340.
Arithmetic GMAT GRE Mathematics Practice Set
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71
Does the fraction 26/31 terminate as a decimal, or does it repeat?
Arithmetic - Number Properties
Medium
ExplanationIn lowest terms, 26/31 = 26/31. A fraction terminates only if its denominator (in lowest terms) has no prime factors other than 2 and 5. Here that is not the case, so it repeats (does not terminate).
Arithmetic GMAT GRE Mathematics Practice Set
72
What is |2 × 15|?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|2 × 15| = |2| × |15| = 2 × 15 = 30.
Arithmetic GMAT GRE Mathematics Practice Set
73
Convert the mixed number 8 7/12 to an improper fraction.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation8 7/12 = ((8 × 12) + 7) / 12 = 103/12.
Arithmetic GMAT GRE Mathematics Practice Set
74
A shopkeeper buys an item for Rs. 700 and sells it for Rs. 1050. What is the profit percentage?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationProfit % = ((SP − CP) / CP) × 100 = ((1050 − 700) / 700) × 100 = 50%.
Arithmetic GMAT GRE Mathematics Practice Set
75
What is 4.4 × 18.5?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation4.4 × 18.5 = 81.4.
Arithmetic GMAT GRE Mathematics Practice Set
76
The ratio of boys to girls in a class is 9:5. If there are 288 boys, how many girls are there?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationSince boys:girls = 9:5 and there are 288 boys, each 'part' = 288/9 = 32, so girls = 5 × 32 = 160.
Arithmetic GMAT GRE Mathematics Practice Set
77
Solve for x: 9/20 = 63/x
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationCross-multiplying: 9 × x = 20 × 63, so x = 1260/9 = 140.
Arithmetic GMAT GRE Mathematics Practice Set
78
Which is greater: 1/3 or 1/4?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation1/3 = 0.3333 and 1/4 = 0.2500, so 1/3 is greater.
Arithmetic GMAT GRE Mathematics Practice Set
79
The digits of 1427 sum to 14. Based on this, is 1427 divisible by 3?
Arithmetic - Number Properties
Medium
ExplanationA number is divisible by 3 if and only if its digit sum is divisible by 3. Here the digit sum is 14, which is not divisible by 3.
Arithmetic GMAT GRE Mathematics Practice Set
80
Simplify 6/10 to its lowest terms.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation6 and 10 share a common factor of 2; dividing both by it gives 3/5.
Arithmetic GMAT GRE Mathematics Practice Set
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81
What is the smallest number that must be subtracted from 2039 so that the result is exactly divisible by 21?
Arithmetic - Number Properties
Medium
Explanation2039 divided by 21 leaves remainder 2, so subtracting 2 makes it exactly divisible by 21.
Arithmetic GMAT GRE Mathematics Practice Set
82
If A:B = 11:4 and B:C = 10:4, what is A:B:C?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
ExplanationScale both ratios so B matches: A:B = 55:20 and B:C = 20:8, giving A:B:C = 55:20:8.
Arithmetic GMAT GRE Mathematics Practice Set
83
How many digits does 8^25 have?
Arithmetic - Number Properties
Medium
ExplanationThe number of digits of 8^25 is floor(25 × log10(8)) + 1 = 23.
Arithmetic GMAT GRE Mathematics Practice Set
84
How many distinct prime factors does 596 have?
Arithmetic - Number Properties
Medium
ExplanationThe prime factorization of 596 is 2^2 × 149^1, which includes 2 distinct prime(s).
Arithmetic GMAT GRE Mathematics Practice Set
85
What is 97.53 + 98.84?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation97.53 + 98.84 = 196.37.
Arithmetic GMAT GRE Mathematics Practice Set
86
Convert the mixed number 2 7/10 to an improper fraction.
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation2 7/10 = ((2 × 10) + 7) / 10 = 27/10.
Arithmetic GMAT GRE Mathematics Practice Set
87
How many multiples of 14 are there between 57 and 141, inclusive?
Arithmetic - Number Properties
Medium
ExplanationThe multiples of 14 in this range run from 70 to 140, giving 6 multiples.
Arithmetic GMAT GRE Mathematics Practice Set
88
What is the smallest positive number that must be added to 2968 so that the sum is exactly divisible by 35?
Arithmetic - Number Properties
Medium
Explanation2968 divided by 35 leaves remainder 28, so adding 35 − 28 = 7 makes it exactly divisible by 35.
Arithmetic GMAT GRE Mathematics Practice Set
89
What is the simple interest on Rs. 3686 at 10% per annum for 5 years?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationSimple Interest = (P × R × T) / 100 = (3686 × 10 × 5) / 100 = Rs. 1843.
Arithmetic GMAT GRE Mathematics Practice Set
90
What is |-49 ÷ -7|?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|-49 ÷ -7| = |-49| ÷ |-7| = 49 ÷ 7 = 7.
Arithmetic GMAT GRE Mathematics Practice Set
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91
An interest rate rises from 8% to 22%. What is the percent increase relative to the original rate?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
ExplanationRelative percent increase = (((22 − 8) / 8) × 100 = 175%. (Note this differs from the 14-percentage-point change.)
Arithmetic GMAT GRE Mathematics Practice Set
92
What is |90 ÷ -15|?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation|90 ÷ -15| = |90| ÷ |-15| = 90 ÷ 15 = 6.
Arithmetic GMAT GRE Mathematics Practice Set
93
What are the solutions to |4x − 8| = 20?
Artithmetic - Absolute Value and Number Lines
Medium
Explanation4x − 8 = 20 or 4x − 8 = −20, which solve to x = 7 and x = -3.
Arithmetic GMAT GRE Mathematics Practice Set
94
Among 22, 2, 16, and -66, which is closest to 0 on the number line?
Artithmetic - Absolute Value and Number Lines
Medium
ExplanationThe number closest to 0 has the smallest absolute value. |2| = 2, which is the smallest among the options.
Arithmetic GMAT GRE Mathematics Practice Set
95
What is the distance between 48 and 28 on the number line?
Artithmetic - Absolute Value and Number Lines
Medium
ExplanationThe distance between two points on a number line is |48 − 28| = 20.
Arithmetic GMAT GRE Mathematics Practice Set
96
What is the ratio of 540 to 30, expressed in lowest terms?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation540:30 reduces by dividing both terms by their GCD (30), giving 18:1.
Arithmetic GMAT GRE Mathematics Practice Set
97
What is 44% of 874?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
Explanation44% of 874 = (44/100) × 874 = 384.56.
Arithmetic GMAT GRE Mathematics Practice Set
98
What is 104.12 − 7.13?
Arithmetic - Fractions, Decimals, Ratios and Prop…
Medium
Explanation104.12 − 7.13 = 96.99.
Arithmetic GMAT GRE Mathematics Practice Set
99
6040 is exactly divisible by which of the following numbers?
Arithmetic - Number Properties
Medium
Explanation6040 ÷ 4 = 1510, a whole number, so 4 divides 6040 exactly.
Arithmetic GMAT GRE Mathematics Practice Set
100
What is 80% of 805?
Artithmetic - Percentages (Profit/Loss, Interest,…
Medium
Explanation80% of 805 = (80/100) × 805 = 644.
Arithmetic GMAT GRE Mathematics Practice Set
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