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Home Aptitude Simple Interest Comments

  • Question
  • A merchant receives an invoice for a motor boat for $20 000 with terms 4/30, n/100. What is the highest simple interest rate at which he can afford to borrow money in order to take advantage of the discount?


  • Options
  • A. 247.67
  • B. 237.67
  • C. 227.67
  • D. 215.67

  • Correct Answer
  • 247.67 

    Explanation

    Suppose the merchant will take advantage of the cash discount of 4% of $20 000 = $800 by paying the bill within 30 days from the date of invoice. He needs to borrow $20 000 = $800 = $19 200. He would borrow this money on day 30 and repay it on day 100 (the day the original invoice is due) resulting in a 70-day loan. The interest he should be willing to pay on borrowed money should not exceed the cash discount $800.

     

    r=I/pt=21.73%

     

    The highest simple interest rate at which the merchant can afford to borrow money is 21.73%. This is a break-even rate. If he can borrow money, say at a rate of 15%, he should do so. He would borrow $19 200 for 70 days at 15%. Maturity value of the loan is $19 200(1+0.15(70/365))=$19 752.33

     

    savings would be $20 000 ? $19 752.33 = $247.67

  • Tags: Bank Exams, Bank PO

    Simple Interest problems


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    • 1. How long will it take $3000 to earn $60 interest at 6%?

    • Options
    • A. 2months
    • B. 3months
    • C. 4months
    • D. 5months
    • Discuss
    • 2. loan of $15 000 is taken out. If the interest rate on the loan is 7%, how much interest is due and what is the amount repaid if the loan was taken out on April 7 and is due in seven months

    • Options
    • A. 13615.52
    • B. 14615.52
    • C. 15615.52
    • D. 16615.52
    • Discuss
    • 3. Jason decides to borrow money for a holiday. If a personal loan is taken over 4 years with equal quarterly repayments at 12% p.a. flat rate (simple interest), calculate the effective rate of interest.

    • Options
    • A. 22,588
    • B. 32.588
    • C. 42.588
    • D. 43.588
    • Discuss
    • 4. Car is purchased on hire-purchase. The cash price is $21 000 and the terms are a deposit of 10% of the price, then the balance to be paid off over 60 equal monthly instalments. Interest is charged at 12% p.a. What is the total cost of the car?

    • Options
    • A. 30.240
    • B. 31.240
    • C. 33.240
    • D. 32,240
    • Discuss
    • 5. Jaclyn buys $50 000 worth of debentures in a company. She earns 9.5% p.a. simple interest, paid to her quarterly (that is, every 3 months). If the agreed period of the debenture was 18 months: calculate the total amount collected at the end of the term.

    • Options
    • A. 8125
    • B. 9125
    • C. 7125
    • D. 6125
    • Discuss
    • 6. Find the principal which yields $25,000 when invested at 3% annually for 20 years.

    • Options
    • A. 13841.89
    • B. 14821
    • C. 13468
    • D. 57389
    • Discuss
    • 7. Question : What is the sum which earned interest ? Statements : a. The total simple interest was Rs. 9000 after 9 years. b. The total of sum and simple interest was double of the sum after 6 years.

    • Options
    • A. Only a is sufficient
    • B. Neither a nor b is sufficient
    • C. Only b is sufficient
    • D. Both a and b sufficient
    • Discuss
    • 8. An amount doubles itself in 15 years. what is the rate of interest ?

    • Options
    • A. 7.85 %
    • B. 9.41%
    • C. 6.66 %
    • D. 4.21 %
    • Discuss
    • 9. Althaf borrows Rs. 1500 from two moneylenders. He pays interest at the rate of 12% per annum for one loan and at the rate of 14% per annum for the other. The total interest he pays for the entire year is Rs. 186. How much does he borrow at the rate of 12% ?

    • Options
    • A. Rs. 300
    • B. Rs. 400
    • C. Rs. 1200
    • D. Rs. 1100
    • Discuss
    • 10. Raghu has invested Rs. 1000 and received Rs. 1300 at 6% per annum simple interest after X years. Find thevalue of X.

    • Options
    • A. 4 years
    • B. 3 years
    • C. 2 years
    • D. 5 years
    • Discuss


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