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The price of an antique is reduced by 20% and then this price is again reduced by 10%. The total reduction of the price is
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- 25 %
- 30 %
- 23 %
- 28 %
Correct Option: D
| Percentage decrease = |  | x + y + |  | % | |
| 100 |
| = | | − 20 − 10 + | | % = −28% | |
| 100 |
Second Method :
Here, D1 = 20%
D2 = 10%
| Net reduction = | | D1 + D2 − | | % | |
| 100 |
| = | | 20 + 10 − | | % | |
| 100 |
= (30 – 2)% = 28%
