Mental Maths Class 7 Playing with Numbers

Asked by RAJANYA MONDAL · The Level field School

What is the square of 44?

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Answer: A. 1936

Write 44 as 40 + 4 and square it: 40^2 = 1600, 2 x 40 x 4 = 320 and 4^2 = 16. So 44^2 = 1600 + 320 + 16 = 1936.

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