Question 1.
Find the perfect square numbers between 40 and 50
Question 2.
Which of the following 242, 492, 772, 1312 or 1892 end with digit 1?
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Answer:
Ans1) Squares and Square Roots. Find the perfect square numbers between (i) 30 and 40 and (ii) 50 and 60. Thus, 36 is a perfact square number between 30 and 40. Since, 7 x 7 = 49 and 8 x 8 = 64.
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