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Quantitative Aptitude (CHSL)

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(12^3 – 18^2 + 108) = ? + 1064 – 21^2

720

695

772

889

Explanation:

(12^3 – 18^2 + 108) = ? + 1064 – 21^2
=> (1728 – 324 + 108) = ? + 1064 – 441
=> 1472 = ? + 623
=> ? = 889

Hence, option 4 is the correct answer.

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