Rs.200 amounts to Rs.800 in 8 years at simple interest. If the interest is increased by 5%, it would amount to how much?
Answers:
A) 520
B) 440
C) 260
D) 280
E) 120
(200*5*8)/100= 
<gadget id="calculator">(200*5*8)/100</gadget>
<output>80</output>
80   200+ 80= 
<gadget id="calculator">200+ 80</gadget>
<output>280</output>
280   Answer: 280
<result>D</result>
Rs.200 amounts to Rs.800 in 8 years at simple interest. If the interest is increased by 5%, it would amount to how much?