Compound intrest and population growth Mathematics Olympiad (MCQ) question
^_ What
is the simple interest on Rs. 500 at the rate of 12% for 2 years?
a) Rs. 100
b) Rs. 120
c) Rs. 130 d) Rs. 140
7. If
the simple interest on Rs. 5000 at the rate of 20% for 1 year is Rs. 1000 then
find the compound amount.
a)
Rs. 4000 b) Rs. 4500 c)
Rs. 6000 d) Rs. 5500
8. Find the compound amount
compounded annually on Rs. 15000 for 1 year at 10% per annum.
a) Rs. 16000 b) Rs. 16500 c) Rs. 16800 d) Rs. 15500
9. What will be the compound
interest on Rs. 2500 at the rate of 20% for 2 years ?
a) Rs. 900 b) Rs. 1000 c) Rs. 1050 d) Rs. 1100
10
The difference between simple and compound interest compounded annually in a
certain sum of money for 2 years at 4% per annum is Re. 1. The sum is
a) Rs. 625 b) Rs. 630 c) Rs. 640 d) No any one
11.Find the compound
interest annualy on Rs. 7500 at the rate of 4% for 2 years.
a) Rs. 610 b) Rs. 612 c) Rs. 614 d) Rs. 616
12
What sum
of money lent out at compound interest will amount to Rs. 968 in 2 years at 10%
per annum interest being charged annualy?
a) Rs. 780 b)
Rs. 800 c) Rs. 825 d) Rs. 900
13.Calculate the
compound amount compounded annually at the rate of 4%, 5% and 8% during the
first, second and third year respectively.
a) Rs.
29,844 b) Rs. 24,984 c) Rs. 29,848 d) Rs. 29,448
14 At what rate percent per annum
will a sum of Rs. 4,000 yield compound interest of Rs. 410 in 2 years.
a) 3% b) 6% c) 5% d) 4%
15.The difference
between the compound interest and simple interest on a certain sum at 10% per
annum for 2 years is Rs. 60. Find the sum.
a) Rs. 6,000 b) Rs. 6,200 c) Rs. 6,400 d) Rs. 7,000
POPULATION GROWTH MCQ QUESTION
3.A watch of Rs. 2500 is
depreciated in a year by 15%, then what is the price of watch after one year ?
a) Rs. 2125 b) Rs. 2100 c) Rs. 2000 d) Rs. 2025
4.A bicycle of Rs. 3000 is
deprecated in a year by 33% , find the amount of depreciation.
a) Rs. 900 b) Rs. 930 c) Rs. 960 d) Rs. 990
5.The present population of a
village is 30,000. If it is increase at the rate of 10% per annum, then what
will be the population after 2 years?
a) 35,300 b) 35,900 c) 36,300 d) 36,500
6.The present population of a
village is 66,550. If it is increase at the rate of 10% per annum, then what
was the population of the town 3 years
ago?
a) 49,000 b) 50,000 c) 50,500 d) 55,000
7.The population of a village increase from 10,000
to 11,000 in one year, find out the population increase rate.
a) 10% b) 12% c) 15% d) 8%
8.The population of a village was 7,200. If 500 of
the population migrated in and 200 died
due to the earthquake within a year, what would be the population of the
village after a year?
a) 7100 b) 7200 c) 7400 d) 7500
9.At what rate percent
population growth will population 700 to 847 in 2 years ?
a) 8% b) 10% c) 12% d) 15%
10.In what time the population
increase from 60,000 to 79,860 at the rate of 10% population growth ?
a) 1 year b) 2 years c) 3 years d) 4 years
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