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%

ধরি, Quantity 100% প্রথম 25% জিনিসের উপর 10% লাভ = 25 × 10% = 2.5 এবং বাকি 75% জিনিসের উপর loss 20%। অর্থাৎ 75 × 20% = 15 সুতরাং সার্বিক loss হয় (15.2.5) = 12.5%।
Bissoy MCQ
#গণিত #শতকরা (Percentage) #Southeast Bank Ltd #Southeast Bank Ltd - Probationary Officer - 2016

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