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If x * y represents the number of integers greater than x a
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Difficulty: Easy
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Source: Barron's GRE
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Multiple-choice Questions — Select One Answer Choice
amorphous
4
2345
by:
bumpbot
,
12 Apr 2024, 12:31
4
Define x* by the equation
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Difficulty: Medium
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Strange Symbols
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Source: TargetTest Prep
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Multiple-choice Questions — Select One Answer Choice
Tarang100
2
1560
by:
bumpbot
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05 Apr 2024, 21:17
4
For all numbers x and y the definition of the operation
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Difficulty: Hard
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Strange Symbols
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Source: Kaplan
in
Multiple-choice Questions — Select One Answer Choice
GeminiHeat
4
1881
by:
bumpbot
,
05 Mar 2024, 14:04
1
For any real number x, the operator & is defined as: &(x) = x(1 − x)
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Difficulty: Medium
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Algebra
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Carcass
3
1522
by:
bumpbot
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03 Mar 2024, 13:19
9
If f(x) = 2x^4 − x^2, what is the value of f(2*3^[1/2])?
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Difficulty: Medium
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Strange Symbols
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Source: MGRE
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GeminiHeat
5
1588
by:
HarishKumar
,
26 Dec 2023, 21:18
3
If f(x) = 2x^2 − 4 and g(x) = 2x, for what values of x will f(x) = g
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Difficulty: Medium
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Strange Symbols
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Source: MGRE
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GeminiHeat
3
1073
by:
HarishKumar
,
03 Sep 2023, 23:17
5
What is the greatest prime factor
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Difficulty: Hard
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Difficulty: Medium
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Strange Symbols
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Word Problem
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Source: Skill Builder
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Carcass
2
1049
by:
bumpbot
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15 Aug 2023, 10:00
5
a * b = ab/a+b for all a, b that satisfy a is different from
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Difficulty: Easy
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Algebra
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Source: MGRE
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Carcass
3
2610
by:
HarishKumar
,
09 Jun 2023, 21:28
5
n=(1/n)^n for all integers n > 0
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Algebra
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Source: MGRE
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Carcass
3
3060
by:
HarishKumar
,
09 Jun 2023, 19:37
2
If [x] is greatest even integer less than or equal to x, what is the v
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Carcass
2
1245
by:
bumpbot
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05 Jun 2023, 22:21
4
g(x) is defined as the product of all even integers k such that 0 < k
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Difficulty: Hard
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Divisibility/Multiples/Factors
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Exponents/Roots
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Source: MGRE
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GeminiHeat
6
1564
by:
bumpbot
,
26 May 2023, 23:58
2
For any numbers a and b, a#b=a + b - ab. If a#b=0, which of the follow
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GeminiHeat
2
1144
by:
Nelli
,
07 Mar 2023, 13:52
2
If the operation @ is defined for all integers a and b by a@b = a + b
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GeminiHeat
2
924
by:
bumpbot
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07 Mar 2023, 13:42
3
Let x*** = x - x2 for all non-negative integers x. Which of the follow
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Difficulty: Hard
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Difficulty: Medium
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Source: Skill Builder
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Carcass
3
947
by:
Carcass
,
02 Mar 2023, 13:40
2
[x] is the greatest integer less than or equal x, what is the value of
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Carcass
3
1664
by:
bumpbot
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28 Feb 2023, 13:18
2
If the operation Ø is defined for all positive integers x and w by
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GeminiHeat
1
502
by:
Carcass
,
18 Feb 2023, 01:19
3
The operation # is defined for all nonzero x and y by x # y
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Difficulty: Easy
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GeminiHeat
1
688
by:
Carcass
,
14 Feb 2023, 07:45
3
If A ◊ B = 4A − B, what is the value of (3 ◊ 2) ◊ 3?
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Difficulty: Easy
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Source: MGRE
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GeminiHeat
2
1018
by:
bumpbot
,
10 Jan 2023, 04:23
2
Life expectancy is defined by the formula 2SB/G, where S = shoe size,
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Difficulty: Medium
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Source: MGRE
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GeminiHeat
2
1107
by:
bumpbot
,
10 Jan 2023, 01:57
1
For which of the following functions f is f(x) = f(1-x) for all x?
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GeminiHeat
1
528
by:
GeminiHeat
,
30 Nov 2022, 22:42
1
Let <n = n/2 if n is even and <n = 2n if n is odd
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Difficulty: Medium
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Algebra
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Source: Skill Builder
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Carcass
4
1027
by:
akkudub
,
01 Nov 2022, 23:04
2
The operation is defined for all nonzero numbers a and b by a b =
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Difficulty: Medium
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GeminiHeat
1
738
by:
Carcass
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21 Sep 2022, 05:07
For each positive integer n, p(n) is defined to be the product of.
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GeminiHeat
1
729
by:
Carcass
,
21 Sep 2022, 03:51
9
For any integer n greater than 1, n∗ denotes the product of all the in
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Difficulty: Hard
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Algebra
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Source: Others, Please Specify
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Carcass
8
2040
by:
BrushMyQuant
,
02 Sep 2022, 20:56
2
For all integers a and b, where a ≠ b
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Difficulty: Hard
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Difficulty: Medium
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Numbers Properties
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Strange Symbols
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Source: Kaplan
in
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Carcass
4
1717
by:
BrushMyQuant
,
24 Aug 2022, 09:37
3
If ¥(x) = 10x − 1, what is ¥(5) − ¥(3) ?
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Difficulty: Easy
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Fractions/Ratios/Decimals
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Carcass
2
973
by:
BrushMyQuant
,
24 Aug 2022, 09:09
3
If t(u) = au^2 − 3u + 1 and t(3) = 37, what is a?
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Difficulty: Easy
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Strange Symbols
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Source: MGRE
in
Multiple-choice Questions — Select One Answer Choice
GeminiHeat
2
1041
by:
BrushMyQuant
,
21 Aug 2022, 10:46
2
Let be defined as the product of the integers from x to y.
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Difficulty: Medium
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Strange Symbols
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Source: Others, Please Specify
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Carcass
2
622
by:
BrushMyQuant
,
08 Aug 2022, 00:12
2
Let ♠ x be defined by the equation ♠
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Difficulty: Medium
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Strange Symbols
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Source: Kaplan
in
Multiple-choice Questions — Select One Answer Choice
Carcass
2
954
by:
BrushMyQuant
,
08 Aug 2022, 00:07
2
Define x∇y by the equation
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Difficulty: Easy
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Strange Symbols
,
Source: TargetTest Prep
in
Multiple-choice Questions — Select One Answer Choice
Tarang100
2
1327
by:
BrushMyQuant
,
08 Aug 2022, 00:04
4
For all positive numbers x, x is defined as the cube root o
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Difficulty: Medium
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Strange Symbols
,
Source: Magoosh
in
Multiple-choice Questions — Select One Answer Choice
huda
2
1352
by:
BrushMyQuant
,
07 Aug 2022, 23:42
1
If ♣ m = 3m and •n = n + 7, which of the following is the va
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Difficulty: Medium
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Strange Symbols
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Source: Kaplan
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Carcass
2
4115
by:
BrushMyQuant
,
07 Aug 2022, 23:10
1
If the operation ˆˆ is defined for all x and y by the equation xˆˆy =
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Difficulty: Hard
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Algebra
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Carcass
2
1304
by:
BrushMyQuant
,
07 Aug 2022, 22:58
2
If the operation @ is defined for all numbers x and y by the equation
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Difficulty: Medium
,
Algebra
,
Strange Symbols
,
Source: Skill Builder
in
Multiple-choice Questions — Select One Answer Choice
Carcass
4
1058
by:
BrushMyQuant
,
07 Aug 2022, 22:12
3
For all positive integers m, [m] = 3m when m is odd and [m] = (1/2)*m
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Difficulty: Medium
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Arithmetic
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Strange Symbols
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Source: Others, Please Specify
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GeminiHeat
1
612
by:
GreenlightTestPrep
,
28 Jun 2022, 06:27
5
If [z] denotes the greatest integer less than or equal to z and [z] =
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Difficulty: Medium
,
Fractions/Ratios/Decimals
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Strange Symbols
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Source: Others, Please Specify
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GeminiHeat
1
705
by:
GreenlightTestPrep
,
30 Apr 2022, 13:10
1
If < x # > = the least integer greater than x, what is the result of t
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Difficulty: Hard
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Difficulty: Medium
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Strange Symbols
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Source: Skill Builder
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Carcass
1
602
by:
AkkuJi
,
25 Apr 2022, 11:08
2
If x #y = (x + y)(x - y) for all real numbers, then which of the follo
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Difficulty: Hard
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Algebra
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Strange Symbols
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Source: Skill Builder
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Carcass
1
910
by:
KarunMendiratta
,
25 Mar 2022, 05:51
1
For any number x, x^ is defined as the greatest integer that is less t
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Difficulty: Medium
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Algebra
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Strange Symbols
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Source: Skill Builder
in
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Carcass
1
808
by:
AkkuJi
,
08 Mar 2022, 10:32
1
U=I+U/I-U
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Difficulty: Medium
,
Algebra
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Strange Symbols
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Source: Skill Builder
in
Multiple-choice Questions — Select One Answer Choice
Carcass
1
875
by:
AkkuJi
,
07 Mar 2022, 10:57
1
If h j = 2h – 3j, what does 3 2 = ? (A) 0 (B) 2 (C) 3 (D) 6
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Difficulty: Medium
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Algebra
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Strange Symbols
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Carcass
1
716
by:
GreenlightTestPrep
,
21 Feb 2022, 06:03
If c ♣ d = c-d/c
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Difficulty: Medium
,
Strange Symbols
,
Source: Kaplan
in
Multiple-choice Questions — Select One Answer Choice
Carcass
1
1105
by:
GreenlightTestPrep
,
03 Feb 2022, 11:57
9
Operation F means “take the square root,” operation G means “multiply
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Difficulty: Hard
,
Arithmetic
,
Strange Symbols
,
Source: MGRE
in
Multiple-choice Questions — Select One Answer Choice
GeminiHeat
1
1011
by:
rx10
,
29 Jan 2022, 20:41
1
Let a*b
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Difficulty: Hard
,
Algebra
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Strange Symbols
,
Source: McGraw-Hill
in
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Carcass
2
1033
by:
superpower101
,
21 Jan 2022, 13:57
4
If the operation @ is defined by x@y=(xy)^1/2 for all
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Difficulty: Easy
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Numbers Properties
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Strange Symbols
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Source: Others, Please Specify
in
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Carcass
5
1868
by:
BrushMyQuant
,
17 Jan 2022, 09:16
2
If the operation # is defined for all f and g by the equation
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Difficulty: Hard
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Algebra
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Strange Symbols
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Source: Others, Please Specify
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Carcass
2
1290
by:
BrushMyQuant
,
15 Jan 2022, 10:15
4
If f(x) = 1/x and g(x) = x/(x^2 + 1), for all x > 0, what is the minim
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Difficulty: Hard
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Algebra
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Strange Symbols
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Source: MGRE
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GeminiHeat
2
994
by:
BrushMyQuant
,
10 Dec 2021, 10:30
Define a # b to be a^3 – 1. What is the value of x # 1 ?
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Carcass
1
661
by:
GreenlightTestPrep
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02 Dec 2021, 10:24
A certain quantity is measured on two different scales, the R-scale an
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Algebra
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GeminiHeat
1
798
by:
Carcass
,
01 Dec 2021, 02:15
1
If s&t = 2(s − t) + st for all integers s and t, then 3&(−2) = (A) -16
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Carcass
2
1088
by:
GreenlightTestPrep
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11 Nov 2021, 12:39
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