Question (15/93)

Value of expression (7.5 * 7.5 + 37.5 + 2.5 * 2.5) is equal to ?

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(A)  30

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(B)  60

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(C)  80

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(D)  100

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Question (16/93)

The value of expression `(4.2 xx 4.2 - 1.9 xx 1.9)/(2.3 xx 6.1)`  is ?

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(A)  0.5

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(B)  1.0

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(C)  1.5

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(D)  2.0

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