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Question

Find the value of 2a+4b+5c, when a=5,b=10,c=20.

A
150
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B
160
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C
140
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D
130
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Solution

The correct option is A 150
2a+4b+5c, when a=5,b=10,c=20
2a+4b+5c = 2(5)+4(10)+5(20)
=10+40+100 = 150

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