## Saturday, 18 March 2017

### Quant Quiz on Compound Interest

1.The production of a factory grows at a 8% p.a. What will be its production for the year 2010, if its production in 2007 was 70 lakh tones?
(1)63.48 lakh tonnes
(2)81.68 lakh tonnes
(3)81 lakh tonnes
(4)80.68 lakh tonnes
(5)None of these

2.What would be the compound interest obtained on an amount of Rs. 1250 at the rate of 8 p.c.p.a. after 2 years?
(1) Rs. 200
(2) Rs. 208
(3) Rs. 212
(4) Rs. 220
(5) None of these

3.What amount of compound interest can be obtained on an amount of Rs. 4500 at the rate of 4 p.c.p.a at the end of 2 years?
(1) Rs. 360
(2) Rs. 358.40
(3) Rs. 367.20
(4) Rs. 350
(5) None of these

4.Shyam invests an amount of Rs. 5690 at the rate of 5 per cent per annum for 3 years. What approximate amount of compound interest will he obtain at the end of 3 years?
(1) Rs. 854
(2) Rs. 799
(3) Rs. 843
(4) Rs. 787
(5) None of these

5.What is the compound interest accrued by Ravindara on an amount of Rs. 18000 at rate of 10 p.c.p.a. at the end of 3 years?
(1) Rs. 23498
(2) Rs. 23400
(3) Rs. 23958
(4) Rs. 23900
(5) None of these

6.Difference between the compound interest and simple interest accrued in 2 years at 8 p.c.p.a is Rs. 128. What is the principal amount?
(1) Rs. 18000
(2) Rs. 16000
(3) Rs. 20000
(4) Rs. 25000
(5) None of these

7.What will be compound interest on a sum of Rs. 1000 at the rate of 10 p.c.p.a. after 5 years?
(1) Rs. 610.51
(2) Rs. 559.45
(3) Rs. 665.50
(4) Rs. 665.51
(5) None of these

8.What will be the compound interest earned on an amount of Rs. 12000@ 10 p.c.p.a. in 2 years?
(1) Rs. 880
(2) Rs. 2420
(3) Rs. 800
(4) Rs. 2540
(5) None of these

9.On a given amount, the compound interest at the end of first year was Rs. 88 and the second year was Rs. 96.80. How many money was invested?
(1) Rs. 880
(2) Rs. 996
(3) Rs. 8900
(4) Rs. 900
(5) None of these

10.The compound interest for 1 year on a certain amount at 5% p.a. is Rs. 358.75. What would be the approximate compound interest for 3 years for the same amount?
(1) Rs. 551.50
(2) Rs. 552.70
(3) Rs. 1131
(4) Rs. 551.70
(5) None of these
1.(5); Production for the year 2010=70X(108/100)X(108/100)X(108/100) Lakh
=88.179 Lakh

2.(2); R=8%
R % for C.I.=16.64
C.I.=(1250X16.64)/100
= 208

3.(3); R=8%
R % for C.I.=8.16
C.I.=(4500X8.16)/100=367.2

4.(5); C.I.=P[(1+(r/100)^n)-1]
=5690[(1+(5/100)^3)-1]
=896.886

5.(5); C.I.=18000[(1+(10/100)^3)-1]
=5958

6.(3); Difference=(PR^2)/(100^2)
128=(PX8^2)/100^2
P=20,000

7.(1); C.I.=P[(1+(10/100)^5)-1]=
610.51

8.(5); R=10%
R% for C.I.=21%
C.I.=(12000X21)/100
=2520

9.(1); R%=(96.80-88)x100/(88)=10%
10%=88
100%=880

10.(3); P=(358.75X100)/(5X1)=7175
C.I.=7175[(1+(5/100)^3)-1]=1130.9

=1131