Divisibility rules

  Divisibility (➗)-

1. Divisibility rule of 5: -A number which has a unit place 0 or 5, then the number will be divisible by 5.Ex-125,123450,2375.

Note-Unit place should be 0 or 5.

2.Divisibility rule of 10:- A number is divisible by 10 if unit place is '0'.

Ex:-10,1206780,980,25250.

*Which of following is divisible by 5 and 10 ?
1.2340            2.5235           3.73290        4.9835


*What should be added of the following numbers that it is divisible by 5.
1.22           a.3    b.7   c.9   d.5

2.39            a.6   b.3   c.7    d.1

3.41             a.3   b.5   c.4    d.9

4.77             a.13  b.12  c.2   d.7

5.121            a.4    b.0     c.7   d.1