Question

If 3 digit number 89 x is divisible by 9 then find the value of x . Where x is a digit

Answer 1

Answer:

divisibility test of 9 is sum of the digital divisible by 9 so 8+9+X=17+X and we on the value of no. from 0 to 9 so by putting 1 in place of X we get divisibility test successful so the value of X is 1 because 17+1=18 and 18 is completely divide by 9

Answer 2

Explanation:

चूँकि 89 X , 9 से विभाजित है।

इसलिए 89X के अंकों का योग भी 9 से विभाजित होना चाहिए ।

8 + 9 + X = 17 + X

17 के नजदीक 18 एक ऐसी संख्या जो 9 से भाज्य है। 17 + X = 18

X = 1

891 is divisible by 9 .