The ratio of pens and pencil in a stationary shop is 3 : 2, respectively, The average number of pens and pencils is 180. What is the 30% of number of pencils in the shop?

Correct Answer:

Explanation:

The average number of pens and pencils = 180
∴ Totol number of pens and pencils = 180 x 2 = 360
∴ Total number of pencils in the shop = 360 x (2/5) = 144
∴ 30% of 144 = (30/100) x 144 = 43.2 = 43
= 43 (approx)