A sum of money becomes 2 1/2 times after...

A sum of money becomes `2 1/2` times after 6 years at a certain rate of compound interest per annum, then how much time will the sum of money become after 18 years?

Text Solution

Verified by Experts

The correct Answer is:

`15 5/8` times

Topper's Solved these Questions

COMPOUND INTEREST
CALCUTTA BOOK HOUSE|Exercise SHORT ANSWERS TYPE QUESTIONS|10 Videos
COMPOUND INTEREST
CALCUTTA BOOK HOUSE|Exercise FILL IN THE BLANKS|5 Videos
APPLICATION OF TRIGONOMETRIC RATIOS: HEIGHTS AND DISTANCES
CALCUTTA BOOK HOUSE|Exercise (Long-answer type question (LA) :)|11 Videos
CONCEPT OF MEASUREMENT OF ANGLES
CALCUTTA BOOK HOUSE|Exercise EXERCISE - 1|38 Videos

Similar Questions

Explore conceptually related problems

State whether the following statement is true or false: I. The compound interest of a certain sum of money for a certain period of time at the certain rate of compound interest per annum is less than the simple interest of the same sum of money for the same period of time and at the same rate of interest. II. In the case of compound interest the quantity of principal gradually increases. III. In the case of compound interest, the rate of interest changes every year. IV. In the case of compound interest, the same quantity of interest is obtained in every year. V. In the case of compound interest the obtained interest is proportional to the period of time.

The interest on ₹ 5000 for 2years is ₹ 480, the rate of compound interest per annum is

A sum of money becomes 2-times at the rate of compound interest in 15 years. In how many years, it will becomes 8 times at the same of compound interest?

Calculate the rate of compound interest per annum, so that the amount on RS 400 for 2 years becomes Rs 441.

If the compound interest of some money for 2 years at the rate of compound interest 5% per annum is Rs 615, then find the invested money.

At what rate of compound interest per annum the amount of Rs. 10000 after 3 years will be Rs. 13310?

At the rate of compound interest of 10% per annum, find the sum of money, the compound interest of which is Rs. 331 after 3 years.

Answer the followings questions (any ten) : A sum of money is doubled in 8 years at r% rate of compound interest per annum. At the same rate in how many years it will be four times of the sum?

Ramen obtained simple interest Rs. 1600 by depositing a sum of money in a bank after 4 years at the rate of 4% simple interest per annum. If the same sum of money will be deposited in the bank at the rate of 10% compound interest per annum, then what will be the obtained compound interest?

At what rate of simple interest in percent per annum , a some of money becomes double in 15 years?

CALCUTTA BOOK HOUSE-COMPOUND INTEREST-LONG ANSWER TYPE QUESTIONS

Nikhil deposited Rs. 6000 in a bank at the rate of compound interest ...
Text Solution
|
At a certain of compound interest if the amount of Rs. 400 in 2 years ...
Text Solution
|
A sum of money becomes 2 1/2 times after 6 years at a certain rate of ...
Text Solution
|
Determine the principal for which the compound interest is more than t...
Text Solution
|
If the deposited money in a monetary found becomes 216/125 times in 3 ...
Text Solution
|
If the amounts of a sum of money be Rs. 672 in 2 years and Rs. 714 in ...
Text Solution
|
A and B borrowed an equal sum of money at the rate of 5% per annum, wi...
Text Solution
|
Divides Rs. 1301 between Nikhil and Ashin in such a way that at the ra...
Text Solution
|
Find the difference between compound and simple interest of Rs. 16000 ...
Text Solution
|
At the rate of 4% compound interest per annum the difference between c...
Text Solution
|
If the compound and simple interest of a certain principal in 2 years ...
Text Solution
|
If the ratio of the compound interest in 3 years and the simple intere...
Text Solution
|
At the rate of 5% compound interest per annum, in how many years will ...
Text Solution
|
In how many years will the principal Rs. 800 amount of Rs. 882 at the ...
Text Solution
|
In how many years will Rs. 64000 amount to Rs. 68921 at the rate of 5%...
Text Solution
|
Ramen obtained simple interest Rs. 1600 by depositing a sum of money ...
Text Solution
|
What will be the compound interest of Rs. 12000 in 2 years at the rate...
Text Solution
|
What will be the compuound interest of Rs. 1000 in 18 months at the ra...
Text Solution
|
What will be the compound interest of Rs. 320000 in 1 year at the rate...
Text Solution
|
Shyam deposited Rs. 7500 for 6 months in a bank. If the rate of compou...
Text Solution
|