Question

A number, when divided by 5, leaves a remainder 2, but when it is divided by 2,the remainder is 1 . find the digit at ones place.​

Answer 1

1. The number when when divided by 5 leaves a remainder 2

so, when we divide 5 by 7

the remainder will be 2

2. and when we divide it by 2

2 by 7, the remainder will be 1

so the answer is =7