16. Express 49 as the sum of 7 odd numbers.
17. Find the square of the following numbers.
a. 35 b. 35 c. 93
18. Find the square root of 169 by the method of repeated subtraction.
19. Find the square root of the following by prime factorisation
a. 1764 b. 9604 c. 7744
20. Find the square root of the following by Division method.
a. 2304 b. 4489 c. 3136
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Step-by-step explanation:
17 b
19 a
20 a
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