Ratio and Proportion, Partnership, Simple and Compound Interest - Online Test

30:00
1. If a:b = 3:4 and b:c = 5:7, what is the ratio a:b:c?
2. Two numbers are in the ratio 2:3. If 5 is added to each number, the ratio becomes 5:7. What are the numbers?
3. A sum of money is divided among A, B, and C in the ratio 2:3:5. If C's share is Rs. 1500 more than B's share, what is A's share?
4. In a partnership, A and B invest Rs. 10,000 and Rs. 15,000 respectively. If the total profit is Rs. 5,000, what is A's share of the profit?
5. A, B, and C enter into a partnership. A invests Rs. 4,000 for 6 months, B invests Rs. 5,000 for 4 months, and C invests Rs. 6,000 for 3 months. If the total profit is Rs. 24,000, what is B's share?
6. Simple interest on a sum of money is 1/4 of the principal. If the time period is 5 years, what is the rate of interest per annum?
7. A sum of money doubles itself in 10 years at simple interest. What is the rate of interest per annum?
8. The difference between the simple interest and compound interest on a certain sum for 2 years at 10% per annum is Rs. 40. What is the sum?
9. If Rs. 16,000 is invested at 10% per annum compound interest, compounded annually, what will be the amount after 3 years?
10. The ratio of the ages of A and B is 3:5. After 7 years, the ratio of their ages will be 2:3. What is the present age of B?

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