write divisible test for 3,4,and 9
Answers
Divisibility rule of 3 = A whole number is divisible by 3 if sum of the digits is divisible by 3
Divisibility rule of 4= A whole number is divisible by 4 if the number formed by last two digits is divisible by 4
Divisibility rule of nine = Same as 3 but the sum of the digits is divisible by 9
Given : Numbers 3 ,4 and 9
To Find : divisibility test for 3,4,and 9
Solution:
A number is Divisible by 3 if sum of its digits is divisible by 3
e.g. 135 , 123 , 342 are divisible by 3 as sum of Digits is divisible by 3
A number is Divisible by 9 if sum of its digits is divisible by 9
e.g. 135 , 342 are divisible by 9 as sum of Digits is divisible by 9
A number is Divisible is number formed by last two digits is divisible by 4
e.g 312 , 432 are divisible by 4 as 12 and 32 are divisible by 4
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