Question

The least number that must be subtracted from 5486 to obtain a perfect square is *


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Answer 1

Answer:

10

Step-by-step explanation:

74² < 5486 < 75²

74² = 5476

5486 - 5476 = 10

Answer 2

Answer:

We try to find out the square root of 5486

$7 |5486| 74 \\ 49 \: \: \: \: \: \\ - - - \\ 144|586| \\ \: \: \: \: \: \: \: \:576 \\ \: \: \: \: \: \: \: - - - \\ \: \: \: \: \: \: \: \: \: \: 10$

This shows that 74² is less than 5486 by 10

So.the least number to be subtracted is 10

Hence, the required number is (5486-10)=5476

Step-by-step explanation:

Hope it helps....