What will be the Sum? If

A sum at simple interest of 13.5% per annum amounts to Rs.3080 in 4 yr. Find the Sum

  1. Rs. 1550
  2. Rs. 1680
  3. Rs. 2000
  4. Rs. 1850
vijay Professor Asked on 2nd August 2015 in Maths.
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  • 1 Answer(s)

    Answer: (3) Rs.2000
    Explanation:-
    Let the sum is Rs.X
    Given-
    Rate = 13.5 %, Amount = Rs.3080  & time = 4  years
    Then, Simple interest = 3080 – X
    Formula-
    Simple Interest = P x R x T/100
    Where, P = principal , R = rate, & T = time.
    Then,
    3080 – X = X x 13.5 x 4/100
    3080 – X = X x 135/250
    3080 – X = 27 X/50
    27 X/50  + X = 3080
    (27 X + 50 X)  = 3080 x 50
    77 X = 154000
    X = 154000/77
    X = 2000
    Hence, the answer is (3) Rs.2000.

    Anurag Mishra Professor Answered on 2nd August 2015.
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