Question

In number 314* replace * by a digit so that the number formed is divisible by 11

Answer 1

given number is 314*

the divisibility rule of 11 is difference between sum of the digits at even places and sum of the digits at odd places is equal to zero or divisible by 11

sum the digit at even place =1+*

sum of the digits at odd place =3+4

=7

their difference =1+*-7

*=7-1

*=6

therefore the number is 3146