Question

sonu buys 40kg of wheat at rs.12.50per kg and 30kg of wheat at rs.14 per kg.at what rate per kg should he sell the mixture to gain 5% on the whole.

Answer 1

Total quantity of the mixture
= 40 +30 = 70kg
Cost price of this 70 kg mixture
= 40 x 12.50 + 30 X 14
= Rs 500+ Rs 420
=Rs 920

Selling price of 70 kg mixture to earn 5% profit =920 X 105/100= Rs 966
i.e. ,Selling price of 1 kg mixture to earn 5% profit = 966/70= Rs 13.8

Answer 2

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