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

Answer: Option 'B'

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

Answer: Option 'B'

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/-

Answer: Option 'C'

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/-

Answer: Option 'B'

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

Answer: Option 'C'

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

Answer: Option 'A'

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/-

Answer: Option 'D'

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

Answer: Option 'A'

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

Answer: Option 'B'

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

Answer: Option 'B'

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

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