A person makes a profit of 10% on 25% of the quantity and a loss of 20% on the rest. What is the percentage gain or loss on the whole?

A 10%
B 12.5%
C -12%
D 25%

Correct Answer: 12.5%

Suppose cost price = 100 Tk. Gain on 25Tk = 2.50 Tk = Selling price = 25 + 2.50 = 27.50 TK Loss on 75 Tk = 15 Tk Selling price = 75 - 15 = 60 Tk Total selling price = 60 + 27.50 = 87.50 Loss = 100 - 87.50 = 12.50
Bissoy MCQ
#গণিত #শতকরা (Percentage) #National Bank Ltd #National Bank Ltd - Probationary Officer - 22.03.2013

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