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The ratio of Pens and Pencils in a shop is 3 : 2 respectively. The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?

Correct Answer: 144

Explanation:

Given ratio of pens and pencils = 3 :2


Number of Pens = 3x


Number of Pencils = 2x


Average number of pencils & Pens =  3 x   +   2 x 2   = 180


5x = 360


=> x = 72



Hence, the number of pencils = 2x = 72 x 2 = 144.


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