Question

Find the least number wch when divided by 16,18,21 leaves a remainder 3,5,8 respectively

Answer 1

16-3=13
18-5=13
21-8=13
as these are same numbers,
the least no. is 13.

Answer 2

13
it is the only no. satisfying the given condition
13*1+3=16
13*1+5=18
13*1+8=21