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By Wiki Mathematics Mcqs Profit and Loss Mcqs No Comments

A reduction of 20% in the price of salt enables a lady to obtain 10 kgs more for Rs.100, find the original price per kg?

A. 2 3/2
B. 2 2/3
C. 2.5
D. 3

Explanation:

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100*(20/100) = 20 — 10

? — 1 => Rs.2

100 — 80

? — 2 => Rs.2.5

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