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+1 vote
1.1k views
in Aptitude by (106k points)

What is the least number to be added to 1500 to make it a perfect square?
(a) 20 (b) 21
(c) 22 (d) 23
(e) None of these

1 Answer

+1 vote
by (323k points)
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Best answer

(b) 382 = 1444 

392 = 1521 

Required number = 1521 – 1500 = 21

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