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%
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  • 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
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  • 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)\(xyz = 1\)
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  • 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%
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  • Q5:

    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)\(3 \frac {1}{3} \% \)
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