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Question

A house owner was having his house painted. He was advised that he would require 30 kg of paint. Allowing for 20% wastage and assuming that the paint is available in 3 kg cans, what would be the cost (in Rs.) of paint purchased, if one can was priced Rs.10?


A

130

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B

100

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C

240

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D

200

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E

None of These

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Solution

The correct option is A

130


Paint under use = 80% = 0.8 of X [if X is the total paint bought]

0.8 X = 30

X = 37.5kg => number of cans required = 13.

Thus, cost = 13×10 = Rs.130


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