Question

What least number must be adeed to 1054 so that it will be completely divisible by 23?

Answer 1

first divide 1054 by 23

the quotient will be 45 and reminder will be 19

so add -19 to 1054

1054+(-19)=1054-19

=1035

divide 1035 by 23

reminder=0

therefore, -19 should be added to it