Rakesh invested an amount of Rs.12000 at the rate of 10% simple interest and another amount at the rate of 20% simple interest. The total interest earned at the end of one year on the amount invested became 14 p.c.p.a. Find the total amount invested .	Choose the correct answer
A) Rs.20000	B) Rs.22000	C) Rs.24000	D) Rs.25000	E) Rs.27000
Let the second amount be Rs.x. then,   (12000* 10 * 1)/100 + (x*20 *1)/100 = ((12000 +x)* 14*1)/100   = 1200 +x/5 = (168000 +14x)/100   600000 + 100x = 840000 +70 x   30x = 240000; X = 8000   Total investment = 12000 +8000 = Rs.20000   Rs.20000NSWER:Rs.20000
<result>A</result>
Rakesh invested an amount of Rs.12000 at the rate of 10% simple interest and another amount at the rate of 20% simple interest. The total interest earned at the end of one year on the amount invested became 14 p.c.p.a. Find the total amount invested .