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Maths CBSE Live product
Class 8 (2026-27)
A square and a cube
Learning Square Roots
2.
TBQ - Perfect square and square root
Question:
3
m.
Given a number, such as \(400\) or \(432\), how do we
find
out if it is a perfect square?
Perfect squares end in
0, 1, 4, 5 , 6, 9
2, 4, 6, 8
or
an odd
an even
number of zeros.
If it is a perfect square, how can we find its square root?
By comparing with
closest perfect square
consecutive numbers
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