**Q1. An alloy ‘A’ made of Copper and Zinc contain 40% copper and another alloy ‘B’ having same elements contain 30% zinc. A new alloy is made by mixing both alloys which contain 60% copper. Find the ratio of quantity of alloy A and alloy B in the new alloy? **

(a) 1 : 2

(b) 3 : 4

(c) 2 : 1

(d) 4 : 3

(e) 5 : 3

**Q2. A mixture of milk and water contains 75% milk. If 8 liter of mixture is taken out and 7 liters of milk is added, then ratio of milk to water becomes 7 : 2. Find the quantity of mixture initially. **

(a) 75 L

(b) 64 L

(c) 68 L

(d) 56 L

(e) 40 L

**Q3. Manoj invests Rs. 1800 in two parts at SI at 4% and x% for two years. When he invests larger part at x% and smaller part at 4% then he gets total of Rs. 164 as interest and when he invests larger part at 4% and smaller part at x% then he gets total of Rs. 160 as interest. Find value of x%?**

(a) 5%

(b) 6%

(c) 3%

(d) 7%

(e) None of these

**Q4. Harsh borrow Rs. 400 at 10% rate of interest. He paid Rs.200 and Rs.64 at the end of 1st and 2nd year respectively. Then find how much money he will pay at the end of 3rd year to clear his debt?**

(a) Rs. 200

(b) Rs. 240

(c) Rs. 264

(d) Rs. 220

(e) can’t be determined.

**Q5. A container has mixture of water and acid in which water is 40% out of total mixture of 50 lit. if 30 lit of the mixture is taken out and 50 lit of another mixture of water and acid is added and in second mixture acid is 40%, then find ratio of water to acid in final mixture.**

(a) 16:19

(b) 8:7

(c) 19:16

(d) 7:8

(e) 17:19

**Q6. A, B and C invest in a partnership in ratio 5:3:7 and investment of A is Rs. 200 less than investment of C. Partner B invests for 1/5 th and A and C invest for 1/12 th and 1/15 th respectively of total time of investment. If profit of B is Rs. 800 more than that of C than find profit of A.**

(a) Rs. 1000

(b) Rs. 2500

(c) Rs. 2800

(d) Rs. 1400

(e) Rs. 3600

**Q7. Manoj invested a sum at x% per annum at C.I. If first year and second year C.I on that sum is Rs. 845 and Rs. 910 Find Amount invested? **

(a) Rs. 10985

(b) Rs. 10000

(c) Rs. 13000

(d) Rs. 10900

(e) Rs. 13985

**Q8. Harish borrowed certain sum from Harsh for 2 years at SI. Harish lent this sum to Dinesh at the same rate for 2 years at Compound Interest. At the end of second year, Harish received Rs 550 as compound interest but paid Rs 500 as simple interest. Find the rate of interest.**

(a) 25%

(b) 20%

(c) 15%

(d) 22.5%

(e) 32%

**Q9. Two type of rice Rs.90 per kg and Rs. 40 per kg are mixed in the ratio of 5 :3, then what will be the price per kg of the mixture?**

(a) Rs 67.25

(b) Rs 72.75

(c) Rs 75.5

(d) Rs 62.25

(e) Rs 71.25

**Solutions**