Subject

    Quantitative Aptitude

    Topic

    Interest

    What will be the difference between the compound interest and simple interest at the rate of 5 Percent Compounded Per Annum on an amount of Tk.4000 at the end of two years?

    ক)
    Tk.10
    খ)
    Tk.20
    গ)
    Tk.25
    ঘ)
    Data inadequate

    Explanation

    If Sum invested, rate % and time is given, then the difference between CI and SI can be calculated as: Difference = Sum ( r/100 )² = 4000 ( 5/100)² = 4000 × (1/20)² = 4000 × 1/400 = Tk.10
    An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes-If an investor earns interest of Tk. 1 per day at an interest rate of 4(1/18)% per annum, what will be his total investment?What would be the compound interest obtained on an amount of Tk.6875 at the rate of 8% p.a. after two years?Mr. Khan invested an amount of Tk. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?A sum of money is borrowed and paid back in two annual instalments of tk. 882 each allowing 5% compound interst. The sum borrowed was:Ms. Champa borrowed Tk. 240, interest free, from her elder brother to pay for her college education. If she pays back 5% of the amount quarterly, and has already paid Tk. 42, for how many month has she been paying back her loan?In what time will Tk.4200 amount to Tk.88 at 16% compound interest payable half-yearly?If the compound interest on a sum for 2 years at 5% per annum is Tk. 510, the simple interest on the same sum at the same rate for the same period of time is:(বার্ষিক 5% হারে 2 বছরের জন্য যৌগিক সুদের টাকা হয় 510, একই সময় একই সময়ের জন্য একই হারে সাধারণ সুদের পরিমাণ হয় :)

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