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| 1. |
How many kilos of tea worth Rs. 72 per kg should be mixed with 10 kg of tea worth Rs. 90 per kg to produce a mixture which will cost Rs. 78 per kg? |
| Answer» How many kilos of tea worth Rs. 72 per kg should be mixed with 10 kg of tea worth Rs. 90 per kg to produce a mixture which will cost Rs. 78 per kg? | |