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Expression Formation

Find the valu...

Question

$Find the value of the expression 7 p - 2 pq if p = 10 and q = 2.5 .$

A

50

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B

40

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C

30

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D

20

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Solution

The correct option is D 20
$Expression given: 7 p - 2 p q .$
p = 10 and q = 2.5
So, 7×10 - 2×10×2.5= 70 - 50 = 20

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