Commercial Mathematics
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Compound Interest (without using formula)
SubtopicCompound Interest (without using formula) under Commercial Mathematics for Grade 9 ICSE.
Preview questions (no answers)
- 1.
The principal for the first year is and the rate is per annum. What is the interest for the second year?
A.B.C.D. - 2.
If is lent at compound interest, what is the principal for the second year?
A.B.C.D. - 3.
Amount after one year on a principal of at per annum interest compounded annually is:
A.B.C.D. - 4.
What is the interest earned in the first year on at a rate of per annum?
A.B.C.D. - 5.
What is the interest for the second year on ₹4,000 at 10% p.a. compounded annually?
A.₹400
B.₹484
C.₹440
D.₹420
- 6.
The value of a machine depreciates at 10% per annum. If its present value is ₹50,000, find its value after 3 years.
A.₹35,000
B.₹40,500
C.₹36,450
D.₹37,500
- 7.
A sum of ₹12,500 is borrowed at 20% p.a. compounded half-yearly. Calculate the amount at the end of 1 year.
A.₹15,000
B.₹15,125
C.₹15,250
D.₹15,375
- 8.
A sum of is invested at per annum compound interest for years. Find the increase in the interest of the third year over the interest of the second year.
A.B.C.D. - 9.
A man borrows at per annum compound interest. He pays at the end of each year. Find the amount he must pay at the end of the third year to clear the debt.
A.B.C.D. - 10.
Calculate the compound interest on for year at p.a., the interest being compounded half-yearly.
A.B.C.D.
Download the worksheet for Commercial Mathematics - Compound Interest (without using formula) to practice offline. It includes additional chapter-level practice questions.
Compound Interest (using formula)
SubtopicCompound Interest (using formula) under Commercial Mathematics for Grade 9 ICSE.
Preview questions (no answers)
- 1.
Determine the compound interest on for years at per annum compounded annually.
A.B.C.D. - 2.
Calculate the compound interest on for years at per annum compounded annually.
A.B.C.D. - 3.
If interest is compounded half-yearly at per annum, find the amount on for year.
A.B.C.D. - 4.
Find the amount on for years at per annum compounded annually.
A.B.C.D. - 5.
Find the amount on for years at per annum compounded half-yearly.
A.B.C.D. - 6.
What sum of money will amount to in years if the rates for the two years are and respectively?
A.B.C.D. - 7.
Calculate the compound interest on for year at per annum compounded quarterly.
A.B.C.D. - 8.
A sum of DOLLAR_PLACEHOLDER₹12,000$ is lent at compound interest for DOLLAR_PLACEHOLDER__2__DOLLAR_PLACEHOLDER years, the rate of interest being $5%DOLLAR_PLACEHOLDER for the first year and $8%DOLLAR_PLACEHOLDER for the second year. Find the amount.
A.₹13,608
B.₹13,500
C.₹13,650
D.₹13,560
- 9.
Find the rate of interest if a sum of DOLLAR_PLACEHOLDER₹6,000$ amounts to DOLLAR_PLACEHOLDER₹6,735$ in DOLLAR_PLACEHOLDER__2__DOLLAR_PLACEHOLDER years, compounded annually.
A.5%
B.6%
C.5.5%
D.6.5%
- 10.
The population of a town increases at the rate of $5%DOLLAR_PLACEHOLDER per annum. If the present population is DOLLAR_PLACEHOLDER__9,261__DOLLAR_PLACEHOLDER, what was the population DOLLAR_PLACEHOLDER__3__DOLLAR_PLACEHOLDER years ago?
A.8,000
B.8,500
C.7,500
D.8,200
Download the worksheet for Commercial Mathematics - Compound Interest (using formula) to practice offline. It includes additional chapter-level practice questions.