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Introduction: Decimal

If the decima...

Question

If the decimal number $2^{111}$ is written in the octal system then what is its unit place digit?

A

0

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B

1

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C

2

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D

3

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Solution

The correct option is A $0$
Here, $2^{111}$ = $2^{3 \times 27}$
which is divisible by $2^{3} = 8$
Hence, the digit in the unit place is 0

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