How many kg of rice costing ₹42 per kg should be mixed with$$7{1\over 2}$$ kg rice costing ₹50 per kg so that by selling the mixture at₹ 53.10 per kg, there is a gain of 18%?
5 415 64be69d8c3da05b2214a884a
Q:
How many kg of rice costing ₹42 per kg should be mixed with$$7{1\over 2}$$ kg rice costing ₹50 per kg so that by selling the mixture at₹ 53.10 per kg, there is a gain of 18%?
- 19false
- 28false
- 3$$10{1\over 2}$$false
- 4$$12{1\over 2}$$true
- Show Answer
- Workspace
- Discuss