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 60000. If the rate of increase in population is 2.00% per annum, what is the population after 3 year(s)?
(i)
63672
(ii)
63662
(iii)
63692
(iv)
63652
(v)
63682
Question
2
2.
The population of a city is 30000. If the rate of decrease in population is 5.00% per annum, what is the popoulation after 1 year(s)?
(i)
28510
(ii)
28500
(iii)
28520
(iv)
28490
(v)
28480
Question
3
3.
The present value of a machine is ₹3000.00. Suppose it depreciates at the rate of 3.00% per annum, what is the value of the machine after 1 year(s)?
(i)
₹2911.00
(ii)
₹2912.00
(iii)
₹2909.00
(iv)
₹2910.00
(v)
₹2908.00
Question
4
4.
The present value of a machine is ₹8000.00. Suppose it depreciates at the rate of 2.00% per annum, what was the value of the machine 2 year(s) ago?
(i)
₹8328.86
(ii)
₹8329.86
(iii)
₹8327.86
(iv)
₹8330.86
(v)
₹8331.86
Question
5
5.
The population of a city is 60000. If the rate of increase in population is 5.00% per annum, what is the population after 2 year(s)?
(i)
66170
(ii)
66150
(iii)
66160
(iv)
66140
(v)
66130
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 1 year(s)?
(i)
74390
(ii)
74380
(iii)
74420
(iv)
74400
(v)
74410
Question
7
7.
The present value of a machine is ₹20000.00. Suppose it depreciates at the rate of 20.00% per annum, what is the value of the machine after 4 year(s)?
(i)
₹8191.00
(ii)
₹8194.00
(iii)
₹8192.00
(iv)
₹8190.00
(v)
₹8193.00
Question
8
8.
The present value of a machine is ₹20000.00. Suppose it depreciates at the rate of 15.00% per annum, what was the value of the machine 1 year(s) ago?
(i)
₹23528.41
(ii)
₹23531.41
(iii)
₹23529.41
(iv)
₹23530.41
(v)
₹23527.41
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
-
r
100
]
n
(iv)
P
[
1
-
100
r
]
n
Assignment Key
1) (i)
2) (ii)
3) (iv)
4) (ii)
5) (ii)
6) (iv)
7) (iii)
8) (iii)
9) (i)
10) (ii)
