Question

If the three digit number 24x is divisible by 9, what is the value of x?
a. 3
b. 6
C. 0
d. 9​

Answer 1

Step-by-step explanation:

Since 24x is divisible by 9, sum of digits, i. e., 2+4 +x should be divisible by 9, i. e., 6+x should be divisible by 9.

This is possible when6+x=9or18,....

But,since x is a digit, therefore, 6+x=9, i. e., x=3