SI

Q.

A sum of money at simple interest amounts to ₹815 in 3 years and to ₹854 in 4 years. What is the sum invested?

1. ₹698

2. ₹700

3. ₹650

4. ₹715

Q. The population of a town is 6, 85, 625 and is increasing at the rate of 4% per annum. What will be the population of the town after two years?

1. 7, 51, 672
2. 7, 48, 764
3. 7, 44, 6426
4. 7, 41, 572

Q. Mr. Mittal finds that an increase in the rate of interest from $4\frac{7}{8}$% to $5\frac{1}{8}$% per annum increases his yearly income by Rs. 250. His investment is

1. Rs. 1, 00, 000
2. Rs. 1, 20, 000
3. Rs. 1, 50, 000
4. Rs. 2, 00, 000

Q. In compound interest, when the interest is compounded quarterly, then the principal changes after every three months.

1. True
2. False

Q.

Q. The simple interest on ₹ 1000 for a period of 5 years @ 7% per annum is .

1. ₹ 170
2. ₹ 350
3. ₹ 1350

Q. John takes a loan from an investor at the rate of 12% per annum simple interest. After three years, he pays an interest of ₹10, 800. Find the principal amount borrowed by him.

1. ₹20, 000
2. ₹24, 000
3. ₹30, 000
4. ₹36, 000

Q. Cost of $10$ pens is thrice cost of two notebooks. Cost of one notebook and $5$ pens is $60$ rupees.
What is the cost of $7$ pens ?

1. $30$
2. $77$
3. $63$
4. $70$