Question (79/85)

if `(x xx y) = (x + y + sqrt(xy))`  , then find the value of `(6 xx 24)`

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(A)  41

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(B)  42

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(C)  43

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(D)  44

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Question (80/85)

The square root of (272² - 128²) = ?

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(A)  144

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(B)  200

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(C)  240

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(D)  256

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