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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