(1). A sum of money at compound interest amounts to eight times itself in three years. In how many years will it be 16 times itself?

• (a). 4yrs
• (b). 16yrs
• (c). 3yrs
• (d). 7yrs
• (e). None of these

(2). A sum of Rs.8000 was invested, part at 10% compound interest and the balance at 8% S.I. If at the end of 2nd year, the total amount got was Rs.9505, how much was invested under 8% S.I?

• (a). 5500
• (b). 2500
• (c). 4500
• (d). 3500
• (e). None of these

(3). Find the C.I on Rs.7500 at 9% for three years?

• (a). 2212.7175
• (b). 2213.7175
• (c). 3213.7275
• (d). 2218.7175
• (e). None of these

(4). Find the C.I on Rs.8000 at 10% for two years compounded half-yearly?

• (a). 1725.50
• (b). 1724.50
• (c). 1724.05
• (d). 18730.50
• (e). None of these

(5). A father wants to invest a certain sum of amount in the name of his two sons who are 25 years and 24 years old respectively in such a manner that the sum invested at the rate of 4% per annum, compounded annually will give the same amount to each, when they attain the age of 27 years. If his invested amount in the name of second son is Rs.16900 then the amount of investment for first son is ?

• (a). Rs.17551
• (b). Rs. 16900
• (c). Rs. 16000
• (d). Rs. 17550
• (e). Rs. 17576