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 6.00% per annum, what is the population after 3 year(s)?
(i)
59541
(ii)
59531
(iii)
59561
(iv)
59551
(v)
59571
Question
2
2.
The population of a city is 20000. If the rate of decrease in population is 3.00% per annum, what is the popoulation after 1 year(s)?
(i)
19400
(ii)
19390
(iii)
19420
(iv)
19380
(v)
19410
Question
3
3.
The present value of a machine is ₹10000.00. Suppose it depreciates at the rate of 5.00% per annum, what is the value of the machine after 5 year(s)?
(i)
₹7737.81
(ii)
₹7735.81
(iii)
₹7738.81
(iv)
₹7736.81
(v)
₹7739.81
Question
4
4.
The present value of a machine is ₹10000.00. Suppose it depreciates at the rate of 4.00% per annum, what was the value of the machine 5 year(s) ago?
(i)
₹12266.33
(ii)
₹12263.33
(iii)
₹12262.33
(iv)
₹12264.33
(v)
₹12265.33
Question
5
5.
The population of a city is 70000. If the rate of increase in population is 7.00% per annum, what is the population after 4 year(s)?
(i)
91746
(ii)
91766
(iii)
91756
(iv)
91736
(v)
91776
Question
6
6.
The population of a city is 60000. If the rate of decrease in population is 5.00% per annum, what is the popoulation after 5 year(s)?
(i)
46407
(ii)
46427
(iii)
46437
(iv)
46417
(v)
46447
Question
7
7.
The present value of a machine is ₹20000.00. Suppose it depreciates at the rate of 19.00% per annum, what is the value of the machine after 4 year(s)?
(i)
₹8611.34
(ii)
₹8609.34
(iii)
₹8608.34
(iv)
₹8610.34
(v)
₹8607.34
Question
8
8.
The present value of a machine is ₹13000.00. Suppose it depreciates at the rate of 10.00% per annum, what was the value of the machine 1 year(s) ago?
(i)
₹14444.44
(ii)
₹14445.44
(iii)
₹14446.44
(iv)
₹14442.44
(v)
₹14443.44
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
-
100
r
]
n
(ii)
P
[
1
-
100
r
]
n
(iii)
P
[
1
-
r
100
]
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
-
r
100
]
n
(ii)
P
[
1
-
100
r
]
n
(iii)
P
[
1
-
r
100
]
n
(iv)
P
[
1
-
100
r
]
n
Assignment Key
1) (iv)
2) (i)
3) (i)
4) (iv)
5) (iii)
6) (ii)
7) (ii)
8) (i)
9) (iii)
10) (i)
