Mental Maths Class 7 Square and Square Roots

Asked by RAJANYA MONDAL · The Level field School

The square of a number is 2025. If the number is positive, what is the value of (number ÷ 9) + √121?

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Answer: C. 16

The square root of 2025 is 45. 45 divided by 9 is 5. 5 + the square of 121 is 5+11=16.

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