A man purchased 150 pens at the rate of Rs. 12 per pen. He sold 50 pens at a gain of 10%. The percentage gain at which he must sell the remaining pens so as to gain 15% on the whole outlay is = ?

A) $$21\frac{1}{2}$$% B) 20% C) 17% D) $$17\frac{1}{2}$$%

Answer & Solution

Correct Answer: Option D

According to the question,
Pen × Profit (%) = Total Profit
Total 150 pens × 15 = 2250
50 × 10 = 500
100 × a = 1750
a = 17.5
∴ Remaining profit% of pen = 17.5% or $$17\frac{1}{2}$$%

Question posted by Examveda

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Gopal Dc 6 years ago

Birendra buys 150 dotpens for Rs 1875. He sells 50 of them at a loss of 5%. At what rate should he sell the remainder so as to gain 10% on the whole?

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A man purchased 150 pens at the rate of Rs 12...

A man purchased 150 pens at the rate of Rs. 12 per pen. He sold 50 pens at a gain of 10%. The percentage gain at which he must sell the remaining pens so as to gain 15% on the whole outlay is = ?

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