A man’s investment doubles in every 5 years. If he invested Rs 5000 in each of the years 1990, 1995, 2000 and 2005, then what was the total amount received by him in 2010? (a) Rs 30000    (b) Rs 70000    (c) Rs 140000    (d) Rs 150000

David invested certain amount in three different schemes A , B and C with the rate of interest 10% p.a., 12% p.a. and 15% p.a. respectively. If the total interest accrued in one year was Rs 3200 and the amount invested in Scheme C was 150% of the amount invested in Scheme A and 240% of the amount invested in Scheme B , what was the amount invested in Scheme B ? (a) Rs 5000 (b) Rs 6500 (c) Rs 8000 (d) Cannot be determined

Shashi had a certain amount of money. He invested 2/3 of the total money in scheme A for 6 years and rest of the money he invested in scheme B for 2 years. scheme A offers simple interest at a rate of 12% p.a. and scheme B offers compound interest (compounded annually) at a rate of 10% p.a. if the total interest obtained from both the schemes is Rs 2,750, what was the total amount invested by him in scheme A and scheme B together? (Approximate value) (a) Rs 4500 (b) Rs 4200 (c) Rs 4050 (d) Rs 5000

A certain sum of money is invested at an interest rate of 5% per annum and a second sum, twice as large as the first, is invested at 5.5% p.a. The total amount of interest earned from the two investments together is Rs 1000 per year and the interest is withdrawn every year. The second sum invested is (a) Rs 6250 (b) Rs 10500 (c) Rs 12500 (d) Rs 15000

A man invested Rs 14,400 in Rs 100 shares of a company at 20% premium. If the company declares 5% dividend at the end of the year, then how much does he get? (a) Rs 500 (b) Rs 600 (c) Rs 650 (d) Rs 720

Shekhar started a business investing Rs. 25000 in 2009. In 2010, he invested an additional amount of Rs. 10000 and Rajeev joined him with an amount of Rs. 35000. In 2011, Shekhar invested another additional amount of Rs. 10000 and Jatin joined them with an amount of Rs. 35000. What will be Rajeev's share in the profit of Rs. 150000 earned at the end of 3 years from the start of the business in 2009? a. Rs. 45000 b. R s .50000 c. R s .70000 d. R s .75000 e. none of these