EduSahara™ Assignment
Name : Compound Interest Applications
Chapter : Comparing Quantities
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
The population of a city is 50000. If the rate of increase in population is 5.00% per annum, what is the population after 4 year(s)?
(i)
60775
(ii)
60795
(iii)
60755
(iv)
60765
(v)
60785
Question
2
2.
The population of a city is 30000. If the rate of decrease in population is 3.00% per annum, what is the popoulation after 3 year(s)?
(i)
27390
(ii)
27380
(iii)
27360
(iv)
27370
(v)
27400
Question
3
3.
The present value of a machine is ₹6000.00. Suppose it depreciates at the rate of 4.00% per annum, what is the value of the machine after 4 year(s)?
(i)
₹5098.08
(ii)
₹5095.08
(iii)
₹5096.08
(iv)
₹5097.08
(v)
₹5094.08
Question
4
4.
The present value of a machine is ₹5000.00. Suppose it depreciates at the rate of 5.00% per annum, what was the value of the machine 3 year(s) ago?
(i)
₹5830.75
(ii)
₹5831.75
(iii)
₹5829.75
(iv)
₹5832.75
(v)
₹5833.75
Question
5
5.
The population of a city is 90000. If the rate of increase in population is 7.00% per annum, what is the population after 4 year(s)?
(i)
117972
(ii)
117992
(iii)
117982
(iv)
117952
(v)
117962
Question
6
6.
The population of a city is 90000. If the rate of decrease in population is 8.00% per annum, what is the popoulation after 3 year(s)?
(i)
70072
(ii)
70092
(iii)
70102
(iv)
70082
(v)
70062
Question
7
7.
The present value of a machine is ₹18000.00. Suppose it depreciates at the rate of 15.00% per annum, what is the value of the machine after 2 year(s)?
(i)
₹13003.00
(ii)
₹13004.00
(iii)
₹13005.00
(iv)
₹13007.00
(v)
₹13006.00
Question
8
8.
The present value of a machine is ₹12000.00. Suppose it depreciates at the rate of 16.00% per annum, what was the value of the machine 4 year(s) ago?
(i)
₹24103.61
(ii)
₹24102.61
(iii)
₹24101.61
(iv)
₹24104.61
(v)
₹24100.61
Question
9
9.
Let the present value of a machine be P. If it depreciates at the rate of r% per annum, the value of the machine after n years is
(i)
P
[
1
-
r
100
]
n
(ii)
P
[
1
-
100
r
]
n
(iii)
P
[
1
-
100
r
]
n
(iv)
P
[
1
-
r
100
]
n
Question
10
10.
Let the present value of a machine be P. If it depreciates at the rate of r% per annum, the value of the machine n years ago is
(i)
P
[
1
-
100
r
]
n
(ii)
P
[
1
-
r
100
]
n
(iii)
P
[
1
-
100
r
]
n
(iv)
P
[
1
-
r
100
]
n
Assignment Key
1) (i)
2) (ii)
3) (iii)
4) (ii)
5) (i)
6) (iv)
7) (iii)
8) (ii)
9) (i)
10) (iv)
