Question (55/66)
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) 2 : 3
(B) 2 : 5
(C) 3 : 4
(D) Data Inadequate
Question (56/66)
A sum invested at 5% simple interest per annum grows to INR 504 in 4 years. The same amount at 10% simple interest per annum in `2 1/2` years will grow to ?(A) INR 420
(B) INR 450
(C) INR 580
(D) INR 525