GRE Quantitative Flashcards

(44 cards)

1
Q

sum

A

addition

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2
Q

difference

A

subtraction

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3
Q

product

A

multiplication

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4
Q

quotient

A

division

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5
Q

the product of 0 and any number is

A

0

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6
Q

the product of an even number of negative factors is

A

positive

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7
Q

the product of an odd number of negative factors is

A

negative

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8
Q

integers are

A

whole numbers

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9
Q

How would you solve:

“How many positive integers less than 100 have a remainder of 3 when divided by 7?”

A

divide:
100/7=14.285714
the answer is 14

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10
Q

what are the synonyms for divisible

A

divisor, factor, multiple

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11
Q

what are the first ten primes

A

2,3,5,7,11,13,17,19,23,29

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12
Q

every integer greater than 1 that is not a prime can be written as

A

a product of primes

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13
Q

if two integers are both even or both odd, their sum and difference are

A

even

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14
Q

if one integer is even and the other is odd, their sum and difference are

A

odd

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15
Q

2^5 x 2^3 =

A

2^5+3

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16
Q

2^5 / 2^3 =

A

2^5-3

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17
Q

b^m x b^n =

A

b^m+n

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18
Q

b^m/b^n =

19
Q

(b^m)^n

20
Q

b^m x c^m =

21
Q

if 3^a x 3^b = 3^100, what is the average of a and b?

22
Q

for any positive integer n: 0^n =

23
Q

for any positive integer n: if a is positive then a^n is

24
Q

for any positive integer n: if a is negative and n is even, then a^n is

25
for any positive integer n: if a is negative and n is odd, then a^n is
negative
26
Quantity A: (-13)^10 | Quantity B: (-13)^25
A is greater
27
the square root of ab is equal to
the square root of a x the square root of b
28
the square root of a/b is equal to
the square root of a / square root of b
29
for any numbers a and b: a >b means that a-b is
positive
30
for and numbers a and b: a
negative
31
multiplying or dividing an inequality by a negative number
reverses the inequality
32
even + even =
even
33
odd + odd =
even
34
even + odd =
odd
35
even x even =
even
36
odd x odd =
odd
37
even x odd =
even
38
an integer is divisible by 3 if the
sum of its digits is divisible by 3
39
when one fraction is multiplied by another fraction, the product is
smaller than either of the original fractions
40
any number raised to 0 is always
1
41
any number without an exponent is understood to have an exponent of
1
42
each angle of an equilateral triangle is
60 degrees
43
in an isosceles triangle, two of the angles must be
equal
44
in any triangle, the longest side is opposite
the largest angle