# Simple Interest Questions and Answers

• Q1:

A man lent Rs. 600 to B for two years and Rs. 150 to C for four years and received altogether from both Rs. 90 as interest. Find the rate of interest, simple interest being reckoned.

1. (A)4%
2. (B)1%
3. (C)6%
4. (D)5%

• Q2:

What principal will amount of Rs. 560 in 3 years at 4 p.c. per annum simple interest?

1. (A)425
2. (B)450
3. (C)475
4. (D)500

• Q3:

$x, y, z$ are three sums of money such that $y$ is the simple interest on $x$, and $z$ is the simple interest of $y$ for the same time and same rate. The relation between $x$, $y$ and $z$ is

1. (A)$y^2 = xz$
2. (B)$z^2 = xy$
3. (C)$x^2 = yz$
4. (D)$xyz = 1$

• Q4:

At what rate percent simple interest will a sum of money triple itself in 25 years?

1. (A)5%
2. (B)4%
3. (C)6%
4. (D)8%
The simple interest on a sum of money is $\frac{1}{9}$ of the principal, and the number of years is equal to the rate percent per annum. Find the rate percent.
1. (A)$10\%$
2. (B)$\frac {1}{3} \%$
3. (C)$3\%$
4. (D)$3 \frac {1}{3} \%$