What amount a man would have received on a principal of RS.4,000 after two years on simple interest @ 5 p.c.p.a.?

Rs. 4,161

Rs. 5,200

Rs. 4,400

Rs. 4,100

Rs. 4,190

Correct Answer : C

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

A sum fetched total simple interest of ?4016.25 at the rate of 9 p.c.p.a. in 5 years.What is the sum?