At what rate of interest (compounded yearly)will Rs.10,000 amount to Rs.12100 in 2 years?	Choose the correct choice.
A) 9%	B) 11%	C) 8%	D) 10%	E) 20%
If rate=r, then 10000[1+(r/100)]^2 =12100 ,(100+r)^2 /100^2 =121   r^2 +200r -2100=0   (r-10)(r+210)=0   r=10   ANSWER:10%
<result>D</result>
At what rate of interest (compounded yearly)will Rs.10,000 amount to Rs.12100 in 2 years?