If some amount in rupees at the annual rate of simple interest 5% for six years :

If some amount in rupees at the annual rate of simple interest 5% for six years become Rs.2,600, then the amount is

  1. Rs. 1,800
  2. Rs. 1,500
  3. Rs. 2,000
  4. Rs. 2,200
Anurag Mishra Professor Asked on 5th December 2015 in Maths.
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1 Answer(s)

Answer: (3) Rs. 2, 000

Explanation:- 

Let the principal be Rs. X

Formula –
Simple Interest = Principal x rate time /100
Amount = Principal + Simple Interest

Given-
Rata = 5%, Time = 6 years & Amount = Rs. 2, 600

Then, X + X x 5 x 6 /100 = 2600
 X + 3 X/10 = 2600
(10 X + 3 X)/10 = 2600
13 X = 2600 x 10
13 X = 26,000
X = 26, 000/13
X = 2, 000

Then, the amount is Rs. 2, 000.

Hence, the answer is (3) Rs. 2, 000.

Anurag Mishra Professor Answered on 5th December 2015.
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