Question

rakesh wants to arrange 124 chairs in rows ,with each row having (a) 2 chairs (b) 3 chairs and (c) 4 chairs .without division ,help him find whether it is possible or not​

Answer 1

Divisibility test

*2*

Last digit is even

*3*

Sum of all digits is divisible by 3

*4*

Last two digits is divisible by 4