Mathematics

Question 1

1Find the LCM of 81 and 72.

Medium

A. 648 B. 5,832 C. 9 D. 1,296

Question 2

2Which of these is a factor of 36?

Easy

A. 14 B. 9 C. 10 D. 8

Question 3

3Find the HCF of 25 and 40.

Medium

A. 200 B. 5 C. 10 D. 2

Question 4

4The only even prime number is

Easy

A. 4 B. 6 C. 0 D. 2

Question 5

5Find the LCM of 20 and 28.

Medium

A. 280 B. 140 C. 560 D. 4

Question 6

6Find the LCM of 18 and 27.

Medium

A. 108 B. 54 C. 9 D. 486

Question 7

7Find the HCF of 18 and 36.

Medium

A. 9 B. 6 C. 18 D. 36

Question 8

8The largest prime factor of 24 is ___.

Medium

Your answer (fill in the blank)

Question 9

951 is a prime number.

Medium

A. True B. False

Question 10

10The largest prime factor of 132 is ___.

Medium

Your answer (fill in the blank)