Question

Find the least mo which must be subtracted
from each of the following numbers so as
to get a perfect square also find the
square root
the perfect quare so obtained
402


rood
D
402​

Answer 1

Answer:

402

Step-by-step explanation:

We know that, if we subtract the remainder from the number, we get a perfect square.

Here, we get the remainder 2. Therefore 2 must be subtracted from 402 to get a perfect square.

$402 - 2 = 400$

square root of 400,

$\sqrt{400} = 20$

so the least number which must be subtracted is 2

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