There is 10%, 20% and 40% discount on a thing. What single discount is equivalent to all of them together?
- 60%
- 56.8%
- 70%
- 72%
Explanation
To find a single equivalent discount, we apply successive discounts step by step.
Assume original price = 100
Step 1: 10% discount
100 → 90
Step 2: 20% discount on 90
90 → 72
Step 3: 40% discount on 72
72 → 43.2
Final price = 43.2
Total discount:
100 − 43.2 = 56.8
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Last updated by NS on 01 MAY 2026
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