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Question
What is the least number to be subtracted from 696 to make it a perfect square?
Options:
A .  1
B .  16
C .  20
D .  71
E .  None of these
Answer: Option C


The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.


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