" 7.Coffee costing "₹250" per "kg" was mixed with chicory costing "₹75" per "kg" in the ratio "5:2" ."

Coffe costing Rs. 250 per kg was mixed with chicory costing Rs. 75 per kg in the ratio 5:2 for certain blend. If the mixture with was sold at Rs. 230 per kg, find the gain or loss per cent .

coffee costing 450 per kg was mixed with chicory costing 225 per kg in the ratio 5:2 for a certain blend.if:the mixture was sold at 405 per kg; find the gain or loss per cent.

A shopkeeper mixes tow varieties of tea-one costing Rs.75 per kg and the other costing Rs.50 per kg in the ratio 3:2. If he sells the mixed variety at Rs.62.400 per kg,find his gain or loss percent.

A product blends two qualities of rice.One costing Rs.12.50 per kg and the other costing Rs.14 per kg in the ratio 4:5. Find his profit percent if he sells the mixture at the rate of Rs.16 per kg.

A person blends two varieties of tea-one costing Rs.160 per kg and the other costing Rs.200 per kg in the ratio 5:4. He sells the blended variety at Rs.192 per kg.His profit percent is a.8 b.9 c.10 d.12

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

30 kg of rice costing Rs. 50 per kg is mixed with 20 kg of rice costing Rs. 60 per kg. What is the average cost of the mixture per kg? 50 रुपये प्रति किलो ग्राम कीमत वाले 30 किलो चावल को 60 रुपये प्रति किलोग्राम वाले 20 किलो चावल में मिलाया जाता है | प्रति किलोग्राम मिश्रण की औसत कीमत कितनी है ?