What is the least positive value of A in the number 34278A2597, which is divisible by 9?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 7
Concept used:
Divisibility rule of 9: If the sum of digits of the number is divisible by 9, then the number itself is divisible by 9.
Calculations:
According to the question;
⇒ 3 + 4 + 2 + 7 + 8 + A + 2 + 5 + 9 + 7 = A + 47
Thus, the value of A will be 7, we get
⇒ 7 + 47 = 54
54 is divisible by 9.