What can be the value of a single discount equivalent to a series discount of 10%, 15% and 25%?10%, 15% और 25% की क्रमिक छूट (series discount) के बराबर एकल छूट का मान क्या हो सकता है?

1. A42.63%
2. B40.605%
3. C35.605%
4. D35.625%

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Correct answer: A. 42.63%

Explanation

Price paid = 0.90 × 0.85 × 0.75 = 0.57375 of the marked price. Single equivalent discount = 1 − 0.57375 = 42.625% ≈ 42.63%.चुकाई गई कीमत = अंकित मूल्य का 0.90 × 0.85 × 0.75 = 0.57375। समतुल्य एकल छूट = 1 − 0.57375 = 42.625% ≈ 42.63%।