Question

Write the divisibility test rule for 3 and 5.

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Answer 1

Divisibility Test for 3: The sum of the digits is divisible by 3.

Divisibility Test for 5: The last digit is 0 or 5. Divisibility Test for 7: Cross off last digit, double it and subtract. Repeat if you want.

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Answer 2

Your answer is :-

Divisibility test rule for 3 = If the sum of the digits of a number is divisible by 3, then the number is divisible by 3. For example : The number 85203 is divisible by 3 because the sum of its digits 8+5+2+0+3=18 is divisible by 3.


Divisibility rule for 5 :-

Divisibility by 5 is easily determined by checking the last digit in the number.

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