Question

Which of the following is a composite number between 40 and 50?

OA. 47
OB. 42
O C. 43
OD 41

Answer 1

option OB is the answer because 42 is not a prime number.

Explanation:

All the other numbers are prime which means their factors are one and the no itself but only 42 have more than one factors

Answer 2

The answer is 42 because 42 times 1 equals 42, 2 times 21 equals 42 and 3 times 14 equals 42.