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In what ratio Darjeeling Tea costing $ 320 per kg be mixed with Assam Tea costing $ 250 per kg so that there is a gain of 20% by selling the mixture at $ 324 per kg?
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- 1 : 2
- 2 : 3
- 3 : 2
- 2 : 5
Correct Option: D
Using alligation method ,
| CP of the mixture = | = $ 270 | 120 |
∴ Required ratio = Cost of Darjeeling Tea : Cost of Assam Tea
∴ Required ratio = 20 : 50 = 2 : 5
