Question

Q The least number which must be subtracted from 2509 to make it a perfect square is:

Answer 1

find the nearest square
so nearest square is 2500 that is the square of 50
so 2509 - 2500 = 9
so 9 must be subtracted

Answer 2

Here,
The nearest squared number is 2500

So, subtract 9 to get the perfect square

Therefore
B.) 9

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