Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
2
In what proportion must water be added to spirit to gain 20% by selling it at the cost price?
3
How much water must be added to a bucket which contains 40 liters of milk at the cost price of Rs.3.50 per liter so that the cost of milk reduces to Rs.2 per liter?
These are just sample questions. The actual quiz contains 25 questions.
