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Question

If a = 5 and b =3 then find the value of 2a+5b


A

155

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B

157

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C

150

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D

158

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Solution

The correct option is B

157


Given

a = 5 and b =3

then 2a+5b = 25+53

= (2 × 2 × 2 × 2 × 2)+(5 × 5 × 5)

= 32+125

= 157


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