If a certain number is divisible by 16 and 30, it is NOT necessarily divisible by which of the following?  Choose the correct choice from the following answers:
A) 8	B) 12	C) 21	D) 24	E) 60
If a certain number is divisible by 16 and 30, it is NOT necessarily divisible by which of the following?   let the certain number be 240, which is both divisible by 16 and 30.   240/21 = 80/7   C. 21
<result>C</result>
If a certain number is divisible by 16 and 30, it is NOT necessarily divisible by which of the following?