A man gets a simple interest of Rs.200 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate?
Options:
A) s.156	B) s.226	C) s.300	D) s.356	E) s.410
Let the principal be Rs.P   S.I at 5% p.a in 2 years on Rs.P = Rs.200   (P)(2)(5)/100 = 200   P = 2000   C.I on Rs.2P i.e., Rs.4000 at 5% p.a in two years   =4000{ [1 + 5/100]^2 - 1}   = 4000(41/ 400)   = Rs.410   Answer:s.410
<result>E</result>
A man gets a simple interest of Rs.200 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate?