Simple Interest Questions and Answers


General Aptitude

Simple Interest


    36) A sum of money amounts to Rs.9800 after 5 years and Rs.12005 after 3 years at the same rate of S.I. The rate of interest per annum is

  • A)5%
  • B)8%
  • C)12%
  • D)15%
  • E)None of these
Answer: C

    37) At what rate percent of simple interest will a sum of money double itself in 12 years?

  • A)8(1/4)%
  • B)8(1/3)%
  • C)8(1/2)%
  • D)9(1/2)%
  • E)None of these
Answer: B

    38) A sum of Rs.725 is lent in the beginning of a year at a certain rate of interest. After 8 months a sum of Rs.362.50 more is lent but at the rate twice the former. At the end of the year, Rs.33.50 more is earned as interest from both the loans. What was the original rate of interest?

  • A)3.6%
  • B)4.5%
  • C)5%
  • D)6%
  • E)None of these
Answer: E

    39) The difference between the S.I. received from two different sources on Rs.1500 for 3 years is Rs.13.50. The difference between their rate of interest is 

  • A)0.1%
  • B)0.2%
  • C)0.3%
  • D)0.4%
  • E)None of these
Answer: C

    40) Peter invested an amount of Rs.12000 at the rate of 10 p.c.p.a. simple interest and another amount at the rate of 20 p.c.p.a S.I. The total interest earned at the end of one year on the total amount invested became 14 p.c.p.a. Find the total amount invested    

  • A)Rs.20,000
  • B)Rs.22,000
  • C)Rs.24,000
  • D)Rs.25,000
  • E)None of these
Answer: A