Career Focus Math

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is: 625 630 640 650

10. The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is: 6.06% 6.07% 6.08% 6.09%

At what rate of compound interest per annum will a sum of Rs. 1200 become Rs. 1348.32 in 2 years? 6% 6.5% 7% 7.5%

What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12 p.c.p.a.? Rs. 9000.30 Rs. 9720 Rs. 10123.20 Rs. 10483.20 None of these

There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate? Rs. 2160 Rs. 3120 Rs. 3972 Rs. 6240 None of these

A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is: Rs. 120 Rs. 121 Rs. 122 Rs. 123

Arun, Kamal and Vinay invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. Arun left after six months. If after eight months, there was a gain of Rs. 4005, then what will be the share of Kamal? Rs. 890 Rs. 1335 Rs. 1602 Rs. 1780

Aman started a business investing Rs. 70,000. Rakhi joined him after six months with an amount of Rs.. 1,05,000 and Sagar joined them with Rs. 1.4 lakhs after another six months. The amount of profit earned should be distributed in what ratio among Aman, Rakhi and Sagar respectively, 3 years after Aman started the business? 7 : 6 : 10 12 : 15 : 16 42 : 45 : 56 Cannot be determined

A and B started a partnership business investing some amount in the ratio of 3 : 5. C joined then after six months with an amount equal to that of B. In what proportion should the profit at the end of one year be distributed among A, B and C? 3 : 5 : 2 3 : 5 : 5 6 : 10 : 5 Data inadequate

A, B, C subscribe Rs. 50,000 for a business. A subscribes Rs. 4000 more than B and B Rs. 5000 more than C. Out of a total profit of Rs. 35,000, A receives: Rs. 8400 Rs. 11,900 Rs. 13,600 Rs. 14,700

A, B and C jointly thought of engaging themselves in a business venture. It was agreed that A would invest Rs. 6500 for 6 months, B, Rs. 8400 for 5 months and C, Rs. 10,000 for 3 months. A wants to be the working member for which, he was to receive 5% of the profits. The profit earned was Rs. 7400. Calculate the share of B in the profit. Rs. 1900 Rs. 2660 Rs. 2800 Rs. 2840

A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is Rs. 855, the total profit is: Rs. 1425 Rs. 1500 Rs. 1537.50 Rs. 1576

Three partners shared the profit in a business in the ratio 5 : 7 : 8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments? 5 : 7 : 8 20 : 49 : 64 38 : 28 : 21 None of these