Find the least value of x for which 57x716 is divisible by 9.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 1.
Divisibility rule of 9: When the sum of digits of a number is divisible by 9, the number itself is divisible by 9.
Given, 57x716
Sum of digits = 5 + 7 + x + 7 + 1 + 6 = 26 + x
Now, x = 1