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Q.

The number that must be subtracted from 16161 to get a perfect square is:


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a

31

b

32

c

33

d

34 

answer is B.

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Detailed Solution

Given number is 16161.
Let the number to be subtracted from 16161 to make it a perfect square be x.
Therefore,
16161=127.1259
We can find the square of  127 as below:
1272=16129
x=16161-16129
x=32
Thus, the number to be subtracted from 16161 to make it a perfect square is 32.
Therefore, option (2) is correct.
 
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