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