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 30000. If the rate of increase in population is 6.00% per annum, what is the population after 1 year(s)?
(i)
31820
(ii)
31800
(iii)
31790
(iv)
31810
(v)
31780
Question
2
2.
The population of a city is 30000. If the rate of decrease in population is 4.00% per annum, what is the popoulation after 1 year(s)?
(i)
28780
(ii)
28810
(iii)
28820
(iv)
28790
(v)
28800
Question
3
3.
The present value of a machine is ₹10000.00. Suppose it depreciates at the rate of 2.00% per annum, what is the value of the machine after 3 year(s)?
(i)
₹9412.92
(ii)
₹9413.92
(iii)
₹9411.92
(iv)
₹9410.92
(v)
₹9409.92
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 4 year(s) ago?
(i)
₹3844.46
(ii)
₹3841.46
(iii)
₹3842.46
(iv)
₹3840.46
(v)
₹3843.46
Question
5
5.
The population of a city is 70000. If the rate of increase in population is 9.00% per annum, what is the population after 3 year(s)?
(i)
90632
(ii)
90642
(iii)
90662
(iv)
90672
(v)
90652
Question
6
6.
The population of a city is 80000. If the rate of decrease in population is 5.00% per annum, what is the popoulation after 5 year(s)?
(i)
61882
(ii)
61922
(iii)
61912
(iv)
61892
(v)
61902
Question
7
7.
The present value of a machine is ₹14000.00. Suppose it depreciates at the rate of 20.00% per annum, what is the value of the machine after 4 year(s)?
(i)
₹5736.40
(ii)
₹5734.40
(iii)
₹5732.40
(iv)
₹5735.40
(v)
₹5733.40
Question
8
8.
The present value of a machine is ₹15000.00. Suppose it depreciates at the rate of 10.00% per annum, what was the value of the machine 1 year(s) ago?
(i)
₹16667.67
(ii)
₹16664.67
(iii)
₹16666.67
(iv)
₹16668.67
(v)
₹16665.67
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
-
100
r
]
n
(iii)
P
[
1
-
r
100
]
n
(iv)
P
[
1
-
r
100
]
n
Assignment Key
1) (ii)
2) (v)
3) (iii)
4) (iii)
5) (v)
6) (v)
7) (ii)
8) (iii)
9) (i)
10) (iv)
