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Divisibility rules for 4

Divisibility rules for 4 – Video Explanation

Problem 1 – Divisibility rules for 4

Check whether 23924 is divisible by 4?

a) Yes
b) No

Solution:

A number is divisible by 4, if the number formed by last 2 digits of that number (ones and tens place) is divisible by 4.
In, 23924
24 is the number formed by tens and one’s place.
and 24 is divisible by 4
Therefore, 23924 is also divisible by 4




Problem 2 – Divisibility rules for 4

Check whether 67243 is divisible by 4?

a) Yes
b) No

Solution:

A number is divisible by 4, if the number formed by last 2 digits of that number (ones and tens place) is divisible by 4.
In, 67243
43 is the number formed by tens and one’s place.
and 43 is not divisible by 4
Therefore, 67243 is not divisible by 4

Problem 3 – Divisibility rules for 4

Check whether 65336 is divisible by 4?

a) Yes
b) No

Solution:

A number is divisible by 4, if the number formed by last 2 digits of that number (ones and tens place) is divisible by 4.
In, 65336
36 is the number formed by tens and one’s place.
and 36 is divisible by 4
Therefore, 65336 is also divisible by 4




Problem 4 – Divisibility rules for 4

Check whether 72217 is divisible by 4?

a) Yes
b) No

Solution:

A number is divisible by 4, if the number formed by last 2 digits of that number (ones and tens place) is divisible by 4.
In, 72217
17 is the number formed by tens and one’s place.
and 17 is not divisible by 4
Therefore, 72217 is not divisible by 4

Problem 5 – Divisibility rules for 4

Check whether 95829 is divisible by 4?

a) Yes
b) No

Solution:

A number is divisible by 4, if the number formed by last 2 digits of that number (ones and tens place) is divisible by 4.
In, 95829
29 is the number formed by tens and one’s place.
and 29 is not divisible by 4
Therefore, 95829 is not divisible by 4




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Divisibility rule for 9

Divisibility rule for 9 – Video Explanation

Problem 1 – Divisibility rule for 9

Check whether 24597 is divisible by 9?

a) Yes
b) No

A number is divisible by 9, if the sum of all the digits of the numbers is divisible by 9.
In, 24597
Sum of its digits = 2 + 4 + 5 + 9 + 7 = 27
and 27 is divisible by 9
So, 24597 is also divisible by 9




Problem 2 – Divisibility rule for 9

Check whether 32183 is divisible by 9?

a) Yes
b) No

A number is divisible by 9, if the sum of all the digits of the numbers is divisible by 9.
In, 32183
Sum of its digits = 3 + 2 + 1 + 8 + 3 = 17
and 17 is not divisible by 9
So, 32183 is not divisible by 9

Problem 3 – Divisibility rule for 9

Check whether 35425 is divisible by 9?

a) Yes
b) No

A number is divisible by 9, if the sum of all the digits of the numbers is divisible by 9.
In, 35425
Sum of its digits = 3 + 5 + 4 + 2 + 5 = 19
and 19 is not divisible by 9
So, 35425 is not divisible by 9




Problem 4 – Divisibility rule for 9

Check whether 65869 is divisible by 9?

a) Yes
b) No

A number is divisible by 9, if the sum of all the digits of the numbers is divisible by 9.
In, 65869
Sum of its digits = 6 + 5 + 8 + 6 + 9 = 34
and 34 is not divisible by 9
So, 65869 is not divisible by 9

Problem 5 – Divisibility rule for 9

Check whether 85624 is divisible by 9?

a) Yes
b) No

A number is divisible by 9, if the sum of all the digits of the numbers is divisible by 9.
In, 85624
Sum of its digits = 8 + 5 + 6 + 2 + 4 = 25
and 25 is not divisible by 9
So, 85624 is not divisible by 9

Problem 6 – Divisibility rule for 9

Check whether 52173 is divisible by 9?

a) Yes
b) No

A number is divisible by 9, if the sum of all the digits of the numbers is divisible by 9.
In, 52173
Sum of its digits = 5 + 2 + 1 + 7 + 3 = 18
and 18 is divisible by 9
So, 52173 is also divisible by 9




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