Question:
Fill in the blanks:
(i) The square of an even number is .........
(ii) The square of an odd number is .........
(iii) The square of a proper fraction is ......... than the given fraction.
(iv) n2 = the sum of first n ......... natural numbers.
Solution:
(i) The square of an even number is even.
(ii) The square of an odd number is odd.
(iii) The square of a proper fraction is smaller than the given fraction.
(iv) $n^{2}=$ the sum of first $n \underline{\text { odd }}$ natural numbers.
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