Question

Pls tell the correct answer...​

Answer 1

Answer:

53

Step-by-step explanation:

The nearest square number is 1936 = (44)²

So, the least number which must be subtracted

= 1989 - 1936

= 53

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Answer 2

we have, 1989 to make a perfect square,

we know that,

44²=1936<1989

45²=2025>1989

let x be added or subtracted in 1989

then,

x+1936=1989

=>x+1936=1989

=>x=53

hence, 53 must be subtracted from 1989 to make a perfect square