A house owner wants to get his house painted. He is told that this would require 45 kg of paint allowing 6% wasting. And if the paint is available in 4 kg tins only, the number of tins required for painting the house is ?
Solution
Correct Answer: Option A
Given 45 kg for painting
And 6% 0f 45 for wasting => 6x45/100 = 2.7 kg
Now total paint required = 45+2.7 = 47.7 kgs
But tins are available in only 4kgs
Then, no. of tins req = 47.7/4 = 11.4 => 12 tins
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