Question

# If there are 27912 people to be arranged in the form of a square, how many people should be left out?

A
7
B
12
C
18
D
23

Solution

## The correct option is D 23By long division method, the square root of 27912 can be estimated as follows. Thus, 27912 is 23 more than 1672. Hence, 23 people must be left out so that the remaining people can be arranged in the form of a square.  Mathematics

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