How do we check if 87 is divisible by 3? Options: A . &nbsp Check if the units place is odd or even. B . &nbsp Check if the units place is 3, 6 or 9. C . &nbsp Check if the sum of the digits is 9. D . &nbsp Check if the sum of digits is divisible by 3.

How do we check if 87 is divisible by 3?

Question

How do we check if 87 is divisible by 3?

Options:

A . Check if the units place is odd or even.

B . Check if the units place is 3, 6 or 9.

C . Check if the sum of the digits is 9.

D . Check if the sum of digits is divisible by 3.

Answer: Option D
:
D

A number is divisible by 3 if the sum of its digits is divisible by 3.

Sum of the digits of 87 = $8 + 7 = 15$

15 is divisible by 3.
Hence, 87 is also divisible by 3.

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