Question

71*71 is divisible by 9 , the missing * digit will be ?

Answer 1

it is 2 if you need explaination comment

EXPLANATION

any number is divisible by 9 when the sum of its digit equals to 9 or the sum number is divisible by nine like 18 or 99
therefore here
u
7+7+1+1=16
so the closest number to 16 which is divisible by 9 is 18
so * should be a number which will make the sum equal to 18 which is 2 .

Answer 2

According to the test if divisibility of 9,
7+1+*+7+1 is a multiple of 9.
So, 16+* is a multiple of 9.
So * is 2 because 16 + 2 = 18 which is multiple of 9.
So *=2
Thank You!