HARD
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IMPORTANT
Earn 100

A certain sum is invested for a certain time. It amounts to ₹. 80 at 5% per annum. But when invested at 2% per annum, it amounts to ₹. 40. Find the sum and the time.

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Important Questions on Simple and Compound Interest

HARD
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 2
A sum amounts to ₹2916 in 2 years and ₹3949.28 in 3 years at compound interest. The sum is:
HARD
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IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 3
What equal half-yearly payment will discharge the debt of ₹4360due in 2years at 12%per annum?
MEDIUM
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 1
Rita invested a sum at 2.5% rate for 4 years. Sita invested the same sum at the same rate for 6 years. What is the ratio of the simple interest to be earned by Sita to that earned by Rita?
MEDIUM
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 2
A sum of Rs. 800 amounts to Rs. 920 in 3 yr at simple interest. If the rate is increased by 3% per annum, what will the sum amount to in the same period?
MEDIUM
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 3
Under a new scheme, a bank offers an interest of 30% per annum compounded annually. Suraj deposits Rs. 10000 under this new scheme and at the end of the tenure receives Rs. 28561. What was the tenure of the scheme that Suraj had chosen?
MEDIUM
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IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 4
A sum of money amounts to Rs.4840 in 2 year and to Rs.5324 in 3 year at compound interest compounded annually. The rate of interest per annum is:
EASY
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 5
A man deposited a total sum of ₹88400 in the name of his two sons aged 19 and 17 years so that at the age of 21, both will get equal amounts. If the money is invested at the rate of 10% compound interest per annum what are the shares of his two sons?
MEDIUM
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 11 - Simple and Compound Interest>Exercise 1>Q 1
The compound interest on ₹10000 at 12% per annum for 112years, compounded annually.