MEDIUM
8th CBSE
IMPORTANT
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In how many years will ₹4000 amount to ₹4630.50 at 5% per annum, compounded annually ?

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Important Questions on Comparing Quantities III Compound Interest

MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>EXERCISE>Q 17
A sum compounded annually becomes 2516 times of itself in 2 year. Determine the rate of interest per annum.
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>HOTS>Q 1
The CI and SI on a sum of money for 2 years is ₹210 and ₹200 respectively. If the rate of interest is the same, find the sum and the rate.
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>HOTS>Q 2
Sheila invested ₹30000 in a finance company and received ₹39930 after 112 years. Find the rate of interest per annum compounded half yearly.
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>EXERCISE>Q 1
The population of a town increases at the rate of 4% every year. If the present population of the town is 500000, compute the population of the town after 3 years.
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>EXERCISE>Q 2
Population of a town three years ago was 60000. If the annual increase during three successive years is at the rate of 4%, 5% and 6% respectively, find the present population.
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>EXERCISE>Q 3

The population of a town increases by 312% of its value at the beginning of each year. If the present population of the town is 8869743, find the population of the town three years ago.

MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>EXERCISE>Q 4
In how many years will the population of the town change from 15625 to 17576 if the rate of interest is 4% per annum ?
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 15 - Comparing Quantities III Compound Interest>EXERCISE>Q 5
The local government of a state has fixed that a certain percentage of villages, at the beginning of each year will be provided with TV sets in their community centres. The number of TV sets provided increased from 2500 in 2011 to 2601 in 2013 calculate the rate of growth of TV sets in villages in the state.