Abinaya invested an amount of Rs. 12,500 at the rate of 12% p.a simple interest and another amount at the rate of 15% p.a. simple interest. The total interest earned at the end of one year on the total amount invested became 14% p.a. Find the total amount invested? Choose the correct answer.
A) 11850  B) 18500  C) 11180  D) 20,000  E) 11800
Let the second amount be Rs. x. Then,   (12500 * 12 * 1)/100 + (x * 15 * 1)/100 = [(12000 + x) * 14 * 1] / 100   15000+ 15x= 16800 + 14x   x = 1800   Total investment = 10000 + 1800= Rs. 11800 .Answer: 11800
<result>E</result>
Abinaya invested an amount of Rs. 12,500 at the rate of 12% p.a simple interest and another amount at the rate of 15% p.a. simple interest. The total interest earned at the end of one year on the total amount invested became 14% p.a. Find the total amount invested?