Question

Find the least number which when diveided by 5 7 an 13 gives same remainder 3 in each case

Answer 1

2

As remainder is 3 it means that 57-3=54 is fully divisible by the no.

Similarly 13-3=10 is also fully divisible by that no.

We can find that no by finding hcf of 54&10. Which is 2