what least number must be added to 521 to make it a perfect square?
(a) 3
(b) 4
(c) 5
(d) 8
answer is 8
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Answer:
sorry can't help you it is difficult to do.
pariturh:
no to minutes
in
which school
are you
fast
dj
sorry
H.M EDUCATION CENTRE
school
in Bombay
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