**Q1. A mixture of certain quantity of milk with 16 litres of water is worth 90 Paise per litre. If pure milk be worth Rs. 1.08 per litre, how much milk is there is the mixture?**

**Q2. A is twice as fast as B and B is thrice as fast as C. The journey covered by C in 42 minutes will be covered by A in**

**Q3. A train leaves a station A at 7 am and reaches another station B at 11 am. Another train leaves B at 8 am and reaches A at 11.30. The two trains cross one another at**

**Q4. In a race of 2500 m, A beats B by 500 m and in a race of 2000 m, B beats C by 800 m. By what distance A gives startup to C so that they will end up with dead heat in 3 km race. Also find that by what distance A will win over C in a 1 km race?**

**Q5. A and B undertook to do a piece of work for Rs. 4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C, they finished the work in 4 days. C’s share of money is:**

**Q6. Through an inlet, a tank takes 8 h to get filled up. Due to a leak in the bottom, it takes 2 h more to get it filled completely. If the tank is full, how much time will the leak take to empty it?**

**Q7. Simple interest on Rs. 500 for 4 years at 6.25% per annum is equal to the simple interest on Rs. 400 at 5% per annum for a certain period of time. The period of time is:**

**Q8. The ratio of Laxmi’s age to the age of her mother is 3 : 11. The difference between their ages is 24 years. The ratio of their ages after 3 years will be:**

**Q9. The ratio of the present ages of a son and his father is 1:5 and that of his mother and father is 4:5. After 2 years the ratio of the age of the son to that of his mother becomes 3:10. What is the present age of the father?**

**Q10. A borrows Rs. 800 at the rate of 12% per annum simple interest and B borrows Rs. 910 at the rate of 10% per annum simple interest. In how many years will their amounts of debts be equal?**