How many kilograms of wheat costing Rs. 8/kg must be mixed with 36 kg of rice costing Rs. 5.40/kg so that 20% gain may be obtained by selling the mixture at 7.20/kg.

How many kilograms of wheat costing Rs. 8/kg must be mixed with 36 kg

1.	How many kilograms of wheat costing Rs. 8/kg must be mixed with 36 kg of rice costing Rs. 5.40/kg so that 20% gain may be obtained by selling the mixture at 7.20/kg.
A.	7.67 kg
B.	9.08 kg
C.	10.8 kg
D.	8.67 kg
Answer» D. 8.67 kg

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How many kilograms of wheat costing Rs. 8/kg must be mixed with 36 kg of rice costing Rs. 5.40/kg so that 20% gain may be obtained by selling the mixture at 7.20/kg.

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