Question

20 Find the missing digit x in 2220x so that the number becomes a perfect square
(A) 5
(B) 6
(C) 2
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Answer 1

Answer:

u can cross check it's option

see

A) is 22205 a perfect square ?? ------ NO

B) is 22206 a perfect square?? -------NO

C) is 22202 a perfect square?? -------- NO

so according to Ur options this number can't be perfect square.

According to me X should be 1 as 22201 is a perfect square .