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1
What is the antonym of 'xenophobia'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
2
What is the antonym of 'grandiose'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
3
What is the antonym of 'sardonic'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
4
What is the antonym of 'malicious'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
5
What is the antonym of 'large'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
6
What is the value of (8 × 4)^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation(8 × 4)^3 = 8^3 × 4^3 = 512 × 64 = 32768.
Antonyms GMAT GRE Mathematics Practice Set
7
What is the antonym of 'nonchalant'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
8
What is the antonym of 'desolate'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
9
Simplify: (4^2)^5
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen raising a power to another power, multiply the exponents: (4^2)^5 = 4^(2×5) = 4^10.
Antonyms GMAT GRE Mathematics Practice Set
10
Simplify √363 to its simplest radical form.
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation363 = 11^2 × 3, so √363 = 11√3.
Antonyms GMAT GRE Mathematics Practice Set
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11
What is the antonym of 'always'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
12
What is 10^8 × 10^3 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers of 10, add the exponents: 10^8 × 10^3 = 10^11.
Antonyms GMAT GRE Mathematics Practice Set
13
What is the antonym of 'foment'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
14
What is the antonym of 'mollify'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
15
What is the antonym of 'tedious'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
16
What is the value of 6^4?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation6^4 = 6 multiplied by itself 4 times = 1296.
Antonyms GMAT GRE Mathematics Practice Set
17
Which is greater: 3^6 or 3^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation3^6 = 729 and 3^3 = 27, so 3^6 is greater.
Antonyms GMAT GRE Mathematics Practice Set
18
Simplify: 6^9 ÷ 6^4
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen dividing powers with the same base, subtract the exponents: 6^9 ÷ 6^4 = 6^(9-4) = 6^5.
Antonyms GMAT GRE Mathematics Practice Set
19
What is the antonym of 'vociferous'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
20
What is the antonym of 'ascending'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
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21
Simplify: 2^11 ÷ 2^4
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen dividing powers with the same base, subtract the exponents: 2^11 ÷ 2^4 = 2^(11-4) = 2^7.
Antonyms GMAT GRE Mathematics Practice Set
22
What is the antonym of 'frugal'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
23
What is the antonym of 'concrete'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
24
What is the antonym of 'soporific'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
25
What is the antonym of 'blind'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
26
What is the antonym of 'succinct'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
27
What is the antonym of 'distant'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
28
What is 3.6 × 10^6 written as an ordinary number?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation3.6 × 10^6 means moving the decimal point 6 places to the right, giving 3,600,000.
Antonyms GMAT GRE Mathematics Practice Set
29
What is the value of (4 × 7)^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation(4 × 7)^3 = 4^3 × 7^3 = 64 × 343 = 21952.
Antonyms GMAT GRE Mathematics Practice Set
30
What is the antonym of 'accuse'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
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31
What is the antonym of 'tentative'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
32
What is the antonym of 'profligate'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
33
What is the value of (2 × 8)^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation(2 × 8)^3 = 2^3 × 8^3 = 8 × 512 = 4096.
Antonyms GMAT GRE Mathematics Practice Set
34
What is the value of (4 × 5)^2?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation(4 × 5)^2 = 4^2 × 5^2 = 16 × 25 = 400.
Antonyms GMAT GRE Mathematics Practice Set
35
What is 10^2 × 10^7 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers of 10, add the exponents: 10^2 × 10^7 = 10^9.
Antonyms GMAT GRE Mathematics Practice Set
36
What is the antonym of 'dismiss'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
37
What is the antonym of 'spacious'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
38
What is the antonym of 'gravitas'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
39
What is the antonym of 'calamity'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
40
What is the antonym of 'applaud'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
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41
What is the antonym of 'busy'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
42
What is the antonym of 'borrow'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
43
What is the antonym of 'flourish'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
44
Express 8,000,000 in scientific notation.
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMove the decimal point so only one nonzero digit remains before it: 8,000,000 = 8.0 × 10^6.
Antonyms GMAT GRE Mathematics Practice Set
45
Which is greater: 4.3 × 10^7 or 3.1 × 10^2?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 4.3 × 10^7 is greater.
Antonyms GMAT GRE Mathematics Practice Set
46
What is the antonym of 'morning'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
47
What is the antonym of 'attentive'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
48
What is the antonym of 'contentious'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
49
What is the antonym of 'obdurate'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
50
Simplify: 7^8 ÷ 7^4
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen dividing powers with the same base, subtract the exponents: 7^8 ÷ 7^4 = 7^(8-4) = 7^4.
Antonyms GMAT GRE Mathematics Practice Set
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51
What is the antonym of 'minatory'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
52
What is 1.9 × 10^5 written as an ordinary number?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation1.9 × 10^5 means moving the decimal point 5 places to the right, giving 190,000.
Antonyms GMAT GRE Mathematics Practice Set
53
What is the antonym of 'oblivious'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
54
What is the antonym of 'arrogant'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
55
What is 84^0 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationAny nonzero number raised to the power 0 equals 1, by definition.
Antonyms GMAT GRE Mathematics Practice Set
56
What is the antonym of 'allegory'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
57
Which is greater: 9.7 × 10^8 or 1.1 × 10^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 9.7 × 10^8 is greater.
Antonyms GMAT GRE Mathematics Practice Set
58
Simplify: 5^8 × 5^5
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers with the same base, add the exponents: 5^8 × 5^5 = 5^(8+5) = 5^13.
Antonyms GMAT GRE Mathematics Practice Set
59
What is the antonym of 'compel'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
60
What is the antonym of 'antipathy'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
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61
What is the antonym of 'fresh'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
62
Express 290,000,000 in scientific notation.
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMove the decimal point so only one nonzero digit remains before it: 290,000,000 = 2.9 × 10^8.
Antonyms GMAT GRE Mathematics Practice Set
63
Which is greater: 8.2 × 10^3 or 4.5 × 10^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: the exponents are equal, so compare the mantissas — 8.2 × 10^3 is greater.
Antonyms GMAT GRE Mathematics Practice Set
64
What is (5.1 × 10^8) × (8.4 × 10^6) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMultiply the mantissas (5.1 × 8.4 = 42.84) and add the exponents (8 + 6 = 15), adjusting so the mantissa stays between 1 and 10: 4.28 × 10^15.
Antonyms GMAT GRE Mathematics Practice Set
65
What is the value of (3 × 7)^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation(3 × 7)^3 = 3^3 × 7^3 = 27 × 343 = 9261.
Antonyms GMAT GRE Mathematics Practice Set
66
What is 857^0 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationAny nonzero number raised to the power 0 equals 1, by definition.
Antonyms GMAT GRE Mathematics Practice Set
67
What is the antonym of 'fortitude'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
68
What is the antonym of 'calumniate'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
69
What is the antonym of 'venality'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
70
What is 549^0 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationAny nonzero number raised to the power 0 equals 1, by definition.
Antonyms GMAT GRE Mathematics Practice Set
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71
What is the antonym of 'credulous'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
72
What is the antonym of 'deride'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
73
What is the antonym of 'acuity'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
74
What is the antonym of 'pedantic'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
75
What is the antonym of 'vanity'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
76
Which is greater: 4^6 or 3^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation4^6 = 4096 and 3^3 = 27, so 4^6 is greater.
Antonyms GMAT GRE Mathematics Practice Set
77
What is the antonym of 'ample'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
78
What is the antonym of 'perfidious'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
79
What is the antonym of 'antipathy'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
80
Which is greater: 5.5 × 10^8 or 3.7 × 10^8?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: the exponents are equal, so compare the mantissas — 5.5 × 10^8 is greater.
Antonyms GMAT GRE Mathematics Practice Set
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81
Which is greater: 3.2 × 10^4 or 7.3 × 10^9?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 7.3 × 10^9 is greater.
Antonyms GMAT GRE Mathematics Practice Set
82
Between which two consecutive integers does √239 lie?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation15^2 = 225 and 16^2 = 256, and since 225 < 239 < 256, √239 lies between 15 and 16.
Antonyms GMAT GRE Mathematics Practice Set
83
Which is greater: 8.4 × 10^5 or 7.7 × 10^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 8.4 × 10^5 is greater.
Antonyms GMAT GRE Mathematics Practice Set
84
What is the antonym of 'wretched'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
85
What is the antonym of 'pale'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
86
What is the antonym of 'untenable'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
87
What is the antonym of 'concern'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
88
What is the antonym of 'trepidation'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
89
What is the antonym of 'together'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
90
What is the antonym of 'judicious'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
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91
Which is greater: 5^6 or 6^2?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation5^6 = 15625 and 6^2 = 36, so 5^6 is greater.
Antonyms GMAT GRE Mathematics Practice Set
92
What is the antonym of 'friendly'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
93
What is 6.5 × 10^6 written as an ordinary number?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation6.5 × 10^6 means moving the decimal point 6 places to the right, giving 6,500,000.
Antonyms GMAT GRE Mathematics Practice Set
94
Simplify: 6^8 × 6^5
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers with the same base, add the exponents: 6^8 × 6^5 = 6^(8+5) = 6^13.
Antonyms GMAT GRE Mathematics Practice Set
95
What is the antonym of 'useful'?
Antonyms - Easy
Medium
Antonyms Easy English Practice Set
96
What is the antonym of 'compel'?
Antonyms - Medium
Medium
Antonyms English Medium Practice Set
97
What is the antonym of 'placate'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
98
What is the antonym of 'soporific'?
Antonyms - Extreme Hard
Medium
Antonyms English Extreme-Hard Practice Set
99
What is the antonym of 'lax'?
Antonyms - Hard
Medium
Antonyms English Hard Practice Set
100
What is 7.8 × 10^3 written as an ordinary number?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation7.8 × 10^3 means moving the decimal point 3 places to the right, giving 7,800.
Antonyms GMAT GRE Mathematics Practice Set
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