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Q.

 If the decimal number 2111 is written in the octal system then what is its unit place digit?


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a

0

b

1

c

2

d

3 

answer is A.

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Detailed Solution

Here, 2111=23×27
which is divisible by 23=8
Hence, the digit in the unit place is 0
Hence, option 1 is correct.
 
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 If the decimal number 2111 is written in the octal system then what is its unit place digit?