Q16 of 50 Page 6

Find the square roots of the perfect square 44944 by factorising.

The prime factorization of 44944 is 2 x 2 x 2 x 2 x 53 x 53 = (22 x 22 x 532) = (2 x 2 x 53)2
Thus the square root of 44944 is 2 x 2 x 53 = 212.

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14 A school collected Rs.2304 as fees from its students. If each student pays as much money as the number of students in the school, how many students were there in the school ? 15 By just examining the units, can you tell which of the following cannot be perfect squares?
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(ii) 1028
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(iv) 1022
(v) 1023
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