which one of the following is not a perfect square
a. 81
b. 18
c. 100
d. 121
Answers
Answered by
10
Answer:
answer is( b )please becoz
9×9=81
10×10=100
11×11=121
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Answered by
1
Answer:
b) 18 it is not a perfect square and all other are as
81 is a perfect square of 9*9=81
100 is a perfect square of 10*10=100
121 is a perfect square of 11 *11=121
but 18 is not
hence 18 is not a perfect square.
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