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?

A 444
B 244
C 344
D 144

Correct Answer: 144

Let, number of pens and Pencils = 3x ATQ,3x + 2x2 = 180⇒5x = 180×2⇒x3605.'. x = 72.'. Pencil  = 2x = 2×72 = 144 
Bissoy MCQ
#গণিত #অনুপাত-সমানুপাত (Ratio-Proportion) #Janata Bank Ltd #এসিস্ট্যান্ট এক্সিকিউটিভ অফিসার ২৯.১১. ২০১৯

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