Question
The cost of an article was ₹75. The cost was first
increased by 20% and later on, it was reduced by 20%. The percentage cost of the article is:Solution
Original cost = ₹75 Increased by 20%: ₹75 × 1.20 = ₹90 Reduced by 20%: ₹90 × 0.80 = ₹72 Decrease = ₹75 - ₹72 = ₹3 Percentage decrease = (3/75) × 100 = 4%
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- It is a chief constituent of peat. ...
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