Test: Numbers


35 Questions MCQ Test Quantitative Aptitude for GMAT | Test: Numbers


Description
This mock test of Test: Numbers for GMAT helps you for every GMAT entrance exam. This contains 35 Multiple Choice Questions for GMAT Test: Numbers (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Numbers quiz give you a good mix of easy questions and tough questions. GMAT students definitely take this Test: Numbers exercise for a better result in the exam. You can find other Test: Numbers extra questions, long questions & short questions for GMAT on EduRev as well by searching above.
QUESTION: 1

If x is an integer, which of the following must be an odd integer? 

Solution:
QUESTION: 2

If xy ≠ 0, is x/y = 1?

(1) x2 = y2

(2) xy > 0

Solution:
QUESTION: 3

The value of (9×107)(9×108) is closest to which of the following? 

Solution:
QUESTION: 4

The product of the units digit, the tens digit, and the hundreds digit of the positive integer m is 96. What is the units digit of m?

1)  m is odd. ?
2)  The hundreds digit of m is 8. ?

Solution:
QUESTION: 5

If m, p, and t are positive integers and m < p < t, is the product mpt an even integer?

1) t – p = p - m
2) t – m = 16 

Solution:
QUESTION: 6

If x and y are positive integers, and x3y4 = 2,000, which of the following is the value of xy? 

Solution:
QUESTION: 7

If ab = 1, what is the value of (axb)(ayb)?

1) ax = by = 2
2) 2xy = 4

Solution:
QUESTION: 8

If positive integer x is a multiple of 6 and positive integer y is a multiple of 14, is xy a multiple of 105?

(1)  x is a multiple of 9. ?

(2)  y is a multiple of 25. ?

Solution:
QUESTION: 9

The sum of all the integers k such that –26 < k < 24 is 

Solution:
QUESTION: 10

If a, b, c, and d are positive integers, is (a/b) (c/d) > c/b?

1) c > b
2) a > d

Solution:
QUESTION: 11

If k, m, and p are integers, is k m p odd?

1) k and m are even and p is odd.?
2) k, m, and p are consecutive integers.

Solution:
QUESTION: 12

Is x2 + y2 > 6?

1) (y)2  >  6
2) xy = 2

Solution:
QUESTION: 13

The numbers x and y are three-digit positive integers, and x + y is a four-digit integer. The tens digit of x equals 7 and the tens digit of y equals 5. If x < y, which of the following must be true?

I. The units digit of x + y is greater than the units digit of either x or y.
II. The tens digit of x + y equals 2.
III. The hundreds digit of y is at least 5. 

Solution:
QUESTION: 14

If n is an integer and 100 < n < 200, what is the value of n?

1) n/36 is an odd integer.
2) n/45 is an even integer.

Solution:
QUESTION: 15

If x and y are positive integers and 1 + x + y + xy = 15, what is the value of x + y

Solution:
QUESTION: 16

If x and y are positive integers and 1 + x + y +xy = 21, what is the value of x?

1) y > 3
2) y = 6

Solution:
QUESTION: 17

What is the sum of a certain pair of consecutive odd integers?

1) At least one of the integers is negative.
2) At least one of the integers is positive.

Solution:
QUESTION: 18

If x and y are integers, is x + y greater than 0?

1) x is greater than 0.
2) y is less than 1.

Solution:
QUESTION: 19

If x and y are consecutive even numbers, what is the sum of x and y?

1) x is negative.
2) y is non-positive.

Solution:
QUESTION: 20

If a and b are positive integers such that a b and a/b are both even integers, which of the following must be an odd integer?

Solution:
QUESTION: 21

Is atleast one of x and z odd?

1) x + z = odd
2) x – z = odd

Solution:
QUESTION: 22

If x and z are integers, is atleast one of x and z odd?

1) x + z = odd
2) x – z = odd

Solution:
QUESTION: 23

What is the greatest common factor of the positive integers j and k?

(1) k = j + 1?

(2) jk is divisible by 5. 

Solution:
QUESTION: 24

If x and y are positive integers and y = √(9 −?x), what is the value of y?

1) x < 8
2) y > 1 

Solution:
QUESTION: 25

If x and y are integers and y = √(9 −?x), what is the value of y?

1) x < 11
2) y > 0 

Solution:
QUESTION: 26

In the decimal representation of x, where 0 < x < 1, is the tenths digit of x nonzero?

1)  16x is an integer. ?
2)  8x is an integer. ?

Solution:
QUESTION: 27

If x and z are integers, is at least one of them even?

1) x + z is even.
2) x – z is even.

Solution:
QUESTION: 28

What is the remainder when the two-digit, positive integer x is divided by 3?

1) The sum of the digits of x is 5.?
2) The remainder when x is divided by 9 is 5.

Solution:
QUESTION: 29

What is the remainder when the two-digit, positive integer x is divided by 9?

1) The sum of the digits of x is 5.?
2) The remainder when x is divided by 3 is 2.

Solution:
QUESTION: 30

A school administrator will assign each student in a group of n students to one of m classrooms. If 3 < m < 13 < n, is it possible to assign each of the n students to one of the m classrooms so that each classroom has the same number of students assigned to it?

1)  It is possible to assign each of 3n students to one of m classrooms so that each classroom has the same number of students assigned to it. ?
2)  It is possible to assign each of 13n students to one of m classrooms so that each classroom has the same number of students assigned to it. ?

Solution:
QUESTION: 31

What is the value of x?

(1) 5 < x2 < 10?

(2) x is an integer. 

Solution:
QUESTION: 32

For any positive integer n, the sum of the first n positive integers equals [n(n+1)]/2. What is the sum of all the even integers be tween 99 and 301? 

Solution:
QUESTION: 33

A positive integer n is said to be “prime-saturated” if the product of all the different positive prime factors of n is less than the square root of n. What is the greatest two-digit prime-saturated integer? 

Solution:
QUESTION: 34

If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k?

1) The tens digit of k + 9 is 3.
2) The tens digit of k + 4 is 2. 

Solution:
QUESTION: 35

If k is negative, which of the following must also be negative? 

Solution:

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