# Simple Interest

11.

The borrow taken by a man, for every 6 years it will be 3 times, then how much time it will be taken For 8 times:

A.) 20 years
B.) 21 years
C.) 22 years
D.) 25 years

(R)2% ------> 6 years
7/2% × 6 = 21 years

12.

An employ sell a t.v for Rs.9000/- with 10% simple interest for 5 years on an installment basis. Then How much amount he paid for each installment?

A.) Rs.1200/-
B.) Rs.1500/-
C.) Rs.1400/-
D.) Rs.1350/-

Instalment = 100 × P/100 × T+T × (T - 1)R/2
= 100 × 9000/100 × 5+5 × (5-1)10/2
= 100 × 9000/6000 = Rs.1500/-

13.

Find simple interest on Rs.5000/- at 12% p.a, for 2 years?

A.) Rs.1300/-
B.) Rs.1400/-
C.) Rs.1200/-
D.) Rs.1000/-

P = Rs.5000/-
T = 2 years
R = 12%
I = PTR/100
I = Rs.5000 × 2 × 12/100 = Rs.1200/-

14.

Find simple interest on Rs.6000/- at 7 ½% p.a. for 3years?

A.) Rs.1250/-
B.) Rs.1350/-
C.) Rs.1200/-
D.) Rs.1400/-

P = Rs.6000/-
T = 3 years
R = 15/2%
I = PTR/100
I = (6000 × 3 × 15/2)/100
I = 90 × 15 = Rs.1350/-

15.

Find the simple interest 0n Rs.3000/- at 5 1/3% p.a. for 2 ½ years?

A.) Rs.150/-
B.) Rs.200/-
C.) Rs.400/-
D.) None of these

P = Rs.3000/-
T = 5/2 years
R = 16/3%
I = PTR/100
I = (3000 × 5/2 × 16/3)/100
I = 25 × 16 = Rs.400/-

16.

Find the simple interest on Rs.7300/- at 12% p.a. for the period from jan-2007 to 18- april-2007?

A.) 247.20
B.) 247
C.) 346
D.) 347

247.20

17.

Find simple interest on Rs.4000/- at 15% p.a. for 9months?

A.) Rs.350/-
B.) Rs.450/-
C.) Rs.125/-
D.) Rs.450/-

T = 9 months = 9/12 = 3/4
P = Rs.4000/- , R = 15%
I =(4000 × 3/4 × 15) /100 = 30 v 15 = Rs.450/-
I = Rs.450/-

18.

Find simple interest on Rs.6000/- at 10% p.a. for 2years 3 months?

A.) Rs.1350/-
B.) Rs.1250/-
C.) Rs.2350/-
D.) None of these

2 years 3months = 27/12 = T
P = Rs.6000/-
R = 10%
I = (6000 × 27/12 × 10)/100 = 27 × 50
I = Rs.1350/-

19.

Find simple interest on Rs.5000/- at 12% p.a. for 73days?

A.) Rs.220/-
B.) Rs.120/-
C.) Rs.210/-
D.) None of these

73 days = 73/365 = T
P = Rs.5000
R = 12%
I = (5000*73/365*12)/100 = 120/-
I = Rs.120/-

20.

Find the principle, interest on Rs.1200 at 8% p.a. for 2 years?

A.) Rs.6500/-
B.) Rs.7500/-
C.) Rs.5500/-
D.) None of these

P = ?
T = 2 years
R = 8%
I = Rs.1200/-
I = PTR/100
P = 100I/TR
P = (100 × 1200)/(2 × 8)
P = Rs.7500/-