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Home Aptitude Compound Interest See What Others Are Saying!
  • Question
  • Find the annual interest rate that produces $100,000 from $20,000 in 15 years.


  • Options
  • A. 9.33%
  • B. 10.33%
  • C. 11.33%
  • D. 12.33%

  • Correct Answer
  • 11.33% 

    Explanation

    l=(F/P)^1/n-1


  • More questions

    • 1. 
      If the price of 357 apples is Rs. 1517.25, what will be the approximate price of 49 dozens of such apples?

    • Options
    • A. Rs. 2500
    • B. Rs. 2800
    • C. Rs. 2900
    • D. Rs. 2400
    • Discuss
    • 2. 
      15 years later, A will be twice as old as B but five years ago A was 4 times as old as B. Find the difference of their present ages?

    • Options
    • A. 15 years
    • B. 45 years
    • C. 30 years
    • D. 25 years
    • Discuss
    • 3. 
      The ratio of the present ages of a son and his father is 1 : 5 and that of his mother and father is 4 : 5. After 2 years the ratio of the age of the son to that of his mother becomes 3 : 10. What is the present age of the father?

    • Options
    • A. 30 years
    • B. 28 years
    • C. 27 years
    • D. None of these
    • Discuss
    • 4. 
      Two trains of length 512 m and 528 m are running towards each others on parallel lines at 84 km/h and 60 km/h, respectively. In what time, will they be clear of each other from the moments they meet?

    • Options
    • A. 26 s
    • B. 25 s
    • C. 15 s
    • D. 27 s
    • Discuss
    • 5. 
      Shantanu completes 5/8 of a job in 20 days. At this rate, how many more days will he take to finish the job?

    • Options
    • A. 6 days
    • B. 18 days
    • C. 5 days
    • D. 12 days
    • Discuss
    • 6. 
      Two unbiased dice are thrown simultaneously. the probability of getting the sum divisible by 3, is?

    • Options
    • A. 11/36
    • B. 12/36
    • C. 13/36
    • D. 17/36
    • Discuss
    • 7. 
      1 + 1 ÷ {1 + 1 ÷ (1 + 1/3)} =?

    • Options
    • A. 11/3
    • B. 14/7
    • C. 11/8
    • D. 12/3
    • Discuss
    • 8. 
      The present worth of a sum due sometimes hence is Rs. 576 and the banker's gain is Re. 1. The true discount is?

    • Options
    • A. Rs. 16
    • B. Rs. 18
    • C. Rs. 24
    • D. Rs. 32
    • Discuss
    • 9. 
      A businessman purchased 30 TV sets in ? 300000, If the average cost of 15 TV sets is ? 9000 then find out the average cost of remaining TV sets.

    • Options
    • A. ?20000
    • B. ? 12000
    • C. ? 11000
    • D. ?10000
    • Discuss
    • 10. 
      Ten years ago the average age of a family of 4 members was 24 years. Two children having been born average age of the family is same today. What is the present age of the youngest child if they differ in age by 2 years?

    • Options
    • A. 1 year
    • B. 2 years
    • C. 3years
    • D. 5 years
    • Discuss


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