GMAT Quantitative: Number Properties 4

Question 1

If n^2 is even, what can be concluded about n?

Accepted Answer

n is even

Answer

n is odd

Answer

n is prime

Answer

n is zero

Question 2

How many integers between 1 and 100 inclusive are divisible by 7?

Accepted Answer

14

Answer

12

Answer

13

Answer

15

Question 3

What is the units digit of 4^15?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 4

Which of the following is divisible by 11?

Accepted Answer

121

Answer

131

Answer

141

Answer

151

Question 5

If x and y are integers and xy is odd, then:

Accepted Answer

Both x and y are odd

Answer

Both are even

Answer

x is even, y odd

Answer

Their sum is odd

Question 6

The number 2^5 * 3^2 has how many positive divisors?

Accepted Answer

18

Answer

10

Answer

15

Answer

12

Question 7

What is the sum of the first 5 prime numbers?

Accepted Answer

28

Answer

18

Answer

26

Answer

30