1. At what rate percent per annum will be the simple interest on a certain sum of money for 20 years will be equal to 4/9th of the total amount at the end of the period?

(a) 5%

(b) 4%

(c ) 6%

(d) 4%

b

2. Equal sums of money were lent to two persons at 16% simple interest p.a for a period of 3 years and 5 years respectively. If the difference in interest paid by them was Rs. 960, the sum lent to each of them is;

(a) Rs.6300

(b) Rs.4200

(c ) Rs.5000

(d) Rs.3000

d

3.A sum of money amounts to Rs. 1360 in 3 years and to Rs. 1720 in 6 years at simple interest p.a the rate of interest is

(a)10%

(b)15.1%

(c )13% (d)12%

d

4.The interest on a sum of money at the end of 61/4 years is 5/6 of the sum itself. In what time will the sum doubles itself at the same rate?

(a)16 years

(b)10 yrs

(c )20 yrs.

(d)18 yrs.

c

5.A sum of money amounts to Rs. 2240 at 4% p.a simple interest in 3 years, the interest on the same sum for 6 months at 31/2% p.a is

(a)Rs.50

(b)Rs.30

(c )Rs.35

(d)Rs.40

c

6.AA man invests Rs. 10000 for a year of this Rs. 4000 is invested at the interest rate of 5% p.a., Rs. 3500 at 4% p.a, and the rest at x% per annum, his total interest for the year is Rs. 500. Then X equals to

(a)6.2

(b) 6.3

(c )6.4

(d)6.5

c

7. A sum of money doubles itself in 6 years at simple interest p.a daily interest of Rs. 1.00 will be received for deposits of money under this scheme by an amount equal (1 year = 365 days)

(a)R. 1200

(b)Rs.2190

(c )Rs.2400

(d)Rs. 3650

b

8.A sum of money becomes double on simple interest in 20 years the period in which it will become four times at the same rate is:

(a)Rs.40 year

(b)60 years

(c )Rs. 80 years

(d)50 years

b

9.If the rate of interest p.a , increases from 6 1⁄2% to 8%, a person’s annual income increases by Rs. 40.50 his capital is

(a)Rs. 2500

(b)Rs.2700

(c )Rs 3000

(d)Rs .2550

b

10.A sum of money triples itself in 30 years rate of interest p.a is:

(a)62/3%

(b)10%

(c )15%

(d)6%

a