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Question

x is defined as 40% of 40.

If y=x2+5x+8 , find the value of y.


A

350

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B

324

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C

344

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D

374

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Solution

The correct option is C

344


40% of 40 = 40100×100 = 16

x2 = 16×16 = 256

5x = 16 × 5 = 80

y = 256 + 80 + 8 = 344


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