A digit n gt 3 is divisible by 3 but not divisible by 6 Which one of the following is divisible by 4...........

Math and Mental Ability Number System

A digit n > 3 is divisible by 3 but not divisible by 6. Which one of the following is divisible by 4?

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Complete-Test, Previous year (2020)

2n + 4

3n + 1

Sol. Ans.(d).

A digit n > 3 is divisible by 3 but not divisible by 6 is 9.

So n = 9. Of all given options 2n, 3n, 2n+4, and 3n + 1, only the last one ( = 3×9 + 1 = 28 ) will be divisible by 4.

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