Discussion
Q. |
Three successive discounts of 10%, 20% and 30% are equivalent to a single discount of ? (a) 25% (b) 28% (c) 23% (d) 26% |
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A. 46.9 % |
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B. 48.6% |
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C. 50.4% |
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D. 49.6 % |
Correct Option is D
Explanation:
For three successive discounts, we need to apply the AB method twice.
- 10- 20 + 10*20/100 = -
28
- 28 - 30+ 28*30/100 = - 49.6
- 49.6 indicates 49.6 % discount