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 20000. If the rate of increase in population is 5.00% per annum, what is the population after 5 year(s)?
(i)
25536
(ii)
25546
(iii)
25516
(iv)
25526
(v)
25506
Question
2
2.
The population of a city is 60000. If the rate of decrease in population is 6.00% per annum, what is the popoulation after 4 year(s)?
(i)
46865
(ii)
46835
(iii)
46845
(iv)
46855
(v)
46825
Question
3
3.
The present value of a machine is ₹9000.00. Suppose it depreciates at the rate of 9.00% per annum, what is the value of the machine after 3 year(s)?
(i)
₹6782.14
(ii)
₹6783.14
(iii)
₹6784.14
(iv)
₹6780.14
(v)
₹6781.14
Question
4
4.
The present value of a machine is ₹3000.00. Suppose it depreciates at the rate of 6.00% per annum, what was the value of the machine 5 year(s) ago?
(i)
₹4088.73
(ii)
₹4085.73
(iii)
₹4086.73
(iv)
₹4089.73
(v)
₹4087.73
Question
5
5.
The population of a city is 50000. If the rate of increase in population is 7.00% per annum, what is the population after 5 year(s)?
(i)
70148
(ii)
70138
(iii)
70118
(iv)
70108
(v)
70128
Question
6
6.
The population of a city is 80000. If the rate of decrease in population is 7.00% per annum, what is the popoulation after 5 year(s)?
(i)
55675
(ii)
55645
(iii)
55655
(iv)
55665
(v)
55635
Question
7
7.
The present value of a machine is ₹16000.00. Suppose it depreciates at the rate of 14.00% per annum, what is the value of the machine after 3 year(s)?
(i)
₹10175.90
(ii)
₹10178.90
(iii)
₹10174.90
(iv)
₹10177.90
(v)
₹10176.90
Question
8
8.
The present value of a machine is ₹12000.00. Suppose it depreciates at the rate of 10.00% per annum, what was the value of the machine 5 year(s) ago?
(i)
₹20320.11
(ii)
₹20323.11
(iii)
₹20321.11
(iv)
₹20324.11
(v)
₹20322.11
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) (iv)
2) (iii)
3) (i)
4) (v)
5) (v)
6) (iii)
7) (v)
8) (v)
9) (i)
10) (ii)
