Question

If 72354X2 is a number divisible by both 3 and 9 what will be the possible value of X?

• A. 3
• B. 4
• C. 1
• D. 9

Answer 1

Answer:

B. 4

A number is divisible by 9,if the sum of all digit is divisible by 9. A number is divisible by 3,if the sum of all digit is divisible by 3. So here we have to consider the number X in which the sum is 9 72354X2 = 7 + 2 + 3+ 5 + 4 +X + 2 = 23 + X So X = 4