Question
The price of a commodity was
first increased by 25% and then decreased by 25%. If the new price of the commodity is Rs. 600, find the original price of the commodity.Solution
ATQ,
Let the original price of the commodity be Rs. '100x'. New price of the commodity = 100x × 1.25 × 0.75 = Rs. '93.75x' So, 93.75x = 600 x = 600 / 93.75 = 6.4 Therefore, the original price of the commodity = 100 × 6.4 = Rs. 640.
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