Divisibility rules

Question 1

Divisibility rule for 10?

Answer 1

One’s digit is 0.

Question 2

Divisibility rule for 2?

Answer 2

One’s digit is 2.

Question 3

Divisibility rule for 3?

Answer 3

Sum of all the digits is multiple of 3.

Question 4

Divisibility rule for 6?

Answer 4

Divisbile by both 2 and 3.

Question 5

Divisibility rule for 4?

Answer 5

a number with 3 or more digits is divisible by 4 if the number formed by its last two digits (i.e. ones and tens) is divisible by 4

Question 6

Divisibility rule for 9?

Answer 6

if the sum of the digits of a number
is divisible by 9, then the number itself is divisible by 9.

Question 7

Divisibility rule for 8?

Answer 7

a number with 4 or more digits is divisible by 8, if the
number formed by the last three digits is divisible by 8

Question 8

Divisibility rule for 11?

Answer 8

find the
difference between the sum of the digits at odd places (from the right)
and the sum of the digits at even places (from the right) of the number.
If the difference is either 0 or divisible by 11, then the number is
divisible by 11.