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Quantitative Aptitude

Divisibility Rule for Powers of 2 & 5

The rightmost...

Question

The rightmost non-zero digit of the number $30^{2720}$ is :

A

1

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B

3

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C

7

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D

9

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Solution

The correct option is A 1
Option (A) is the correct answer. Check the video for the approach.

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?

$1$ is the smallest non-zero single digit number.

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Divisibility Rule for Powers of 2 & 5

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