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The salary of a person was reduced by 10%. By what per cent should his reduced salary be raised so as to bring it at par with his original salary ?
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- 9%
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11 1 % 9 -
9 1 % 11 - 11%
Correct Option: B
Here , r = 10%
We can find the required answer with the help of given formula ,
| Required percent increase = |  | × 100 |  | % | 100 - r |
| = | × 100 = | |||
| 100 - 10 | 9 |
| = 11 | % | |
| 9 |
