If the number 687x29 is divisible by 9, then the value of 2x is :
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 8
Explanation:
Divisibility rule by 9, if the sum of all number is divisible by 9 then number is divisible by 9.
Sum of number = 6 + 8 + 7 + x + 2 + 9 = 32 + x
putting the value of x = 4
32 + 4 = 36 divisible by 9 so,
zx = 2 × 4 = 8