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Compound Interest Using Formula Free Doubts and Solutions

ICSE - IX - Mathematics - Compound Interest

The value of a machine depreciate at the rate of 10% p.a. After how many full years will the value of machine become less than two third of its initial value?

Asked by jagteshwar.singh59 10th August 2018, 8:00 PM
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ICSE - IX - Mathematics - Compound Interest

Pls solve..

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Asked by pankaj.shukla2 8th August 2018, 3:15 PM
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ICSE - IX - Mathematics - Compound Interest

what is the rate percent if principal is 3136 and compound interest is 345 and time is 2 years.

Asked by Prem 3rd May 2018, 10:54 AM
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ICSE - IX - Mathematics - Compound Interest

a sum of money lent out at C.I. at a certain rate per annum becomes three times of itself in 8 yrs. Find in how many yrs. will the money become twenty seven times of itself at the same rate of interest p.a?

Asked by gangulyprasad81 23rd April 2018, 2:43 PM
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ICSE - IX - Mathematics - Compound Interest

The difference  between  CI and SI on same sum of Rs 8000 for 2 years is Rs 20.Find the rate of interest? 

Asked by nisha_vini29 23rd April 2018, 11:40 AM
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ICSE - IX - Mathematics - Compound Interest

Vikram borrowed RS 20000 from bank at 10% p.a simple interest . He lent it to his friend venkat at the same rate but compounded annually . Find his gain after 2 and 1/2 years.

Asked by Kanwaranita10 4th March 2018, 9:14 AM
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ICSE - IX - Mathematics - Compound Interest

Q7 a part

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Asked by lovemaan5500 26th February 2018, 5:26 PM
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ICSE - IX - Mathematics - Compound Interest

A part

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Asked by lovemaan5500 22nd February 2018, 7:29 AM
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ICSE - IX - Mathematics - Compound Interest

find the difference between the compound interest compounded yearly and half yearly on Rs.10,000 for 18 months at 10% p.a.

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Asked by dr_pradip27121972 7th February 2018, 8:32 PM
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ICSE - IX - Mathematics - Compound Interest

The compound interest on a certain sum of money at 5%p.a for two years is 287. Find the sum. 

Asked by Ganesh 19th January 2018, 8:21 PM
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ICSE - IX - Mathematics - Compound Interest

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Asked by Topperlearning User 24th November 2017, 2:21 PM
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ICSE - IX - Mathematics - Compound Interest

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ICSE - IX - Mathematics - Compound Interest

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Asked by Topperlearning User 24th November 2017, 12:05 PM
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ICSE - IX - Mathematics - Compound Interest

Dear sir
 
 please can you help me solve this problem

 1. A sum of money is lent out at 8 % p.a. coumpound interest . the interest for second year exeeds that for first year by rupees 32 . find the original principal .

Asked by abhi611 17th September 2017, 11:17 AM
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ICSE - IX - Mathematics - Compound Interest

Please provide solution to this question

Asked by Topperlearning User 24th August 2017, 12:49 PM
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ICSE - IX - Mathematics - Compound Interest

Asked by Topperlearning User 16th August 2017, 1:45 PM
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ICSE - IX - Mathematics - Compound Interest

Asked by Topperlearning User 11th August 2017, 3:22 PM
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ICSE - IX - Mathematics - Compound Interest

begin mathsize 12px style Find space the space amount space and space the space compound space interest space on space Rs. space 1 comma 00 comma 000 space compounded space
quarterly space for space 9 space months space at space the space rate space of space 4 percent sign space straight p. straight a. end style

Please provide solution to this question

Asked by Topperlearning User 1st August 2017, 8:09 AM
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ICSE - IX - Mathematics - Compound Interest

The population of a town increases by 5% every year. What was the population in 2002, if in 2005 it was 1,85,220 ?

Asked by Topperlearning User 1st August 2017, 8:05 AM
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ICSE - IX - Mathematics - Compound Interest

A sum of money is paid back in three equal annual installments, each of Rs. 10,648, at 10% C.I. What was the sum borrowed?

Asked by Topperlearning User 1st August 2017, 8:04 AM
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ICSE - IX - Mathematics - Compound Interest

Mr. Sharma took a loan of Rs. 32,760 from a private finance company at 20% compounded annually and paid it back in three years in three equal annual installments. Calculate the amount of each installment.

Asked by Topperlearning User 1st August 2017, 7:59 AM
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ICSE - IX - Mathematics - Compound Interest

A sum of money amounts to Rs. 500 in 2 years and to Rs. 540 in 3 years at C.I. compounded annually. Find the sum and rate% p.a.

Asked by Topperlearning User 1st August 2017, 7:57 AM
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ICSE - IX - Mathematics - Compound Interest

A man borrowed a sum of money and agreed to pay off by paying Rs. 3,150 at the end of first year and Rs. 4,410 at the end of second year. If the rate of C.I. is 5% p.a., find the sum borrowed.

Asked by Topperlearning User 1st August 2017, 7:56 AM
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ICSE - IX - Mathematics - Compound Interest

A sum of money loaned on C.I., compounded yearly amounts to Rs. 2304 in 1 year and to Rs. 2,916 in 3 years. Find the rate % p.a. and the sum of money.

Asked by Topperlearning User 1st August 2017, 7:55 AM
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ICSE - IX - Mathematics - Compound Interest

A flat worth Rs. 1,33,100 is constructed on a plot of land worth Rs. 72,900. After how many years will the values of both be same, if the land appreciates at 10% p.a. and the flat depreciates at 10% p.a.?

Asked by Topperlearning User 1st August 2017, 7:49 AM
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ICSE - IX - Mathematics - Compound Interest

The cost of a T.V. depreciated by Rs. 5280 during the second year and by Rs. 5913.60 during the third year. Find the rate of depreciation.

Asked by Topperlearning User 1st August 2017, 7:16 AM
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ICSE - IX - Mathematics - Compound Interest

The population of a city is 125000. If the annual birth rate and death rate are 5.5% and 3.5% respectively, find the population of the city after 3 years.

Asked by Topperlearning User 1st August 2017, 7:16 AM
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ICSE - IX - Mathematics - Compound Interest

Find the C.I. on Rs. 24,000 at 15% p.a for years.

Asked by Topperlearning User 1st August 2017, 7:15 AM
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ICSE - IX - Mathematics - Compound Interest

Rakesh deposited Rs. 7500 in a bank which pays him 12% interest p.a. compounded quarterly. What is the amount which he receives after 9 months?

Asked by Topperlearning User 1st August 2017, 7:14 AM
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ICSE - IX - Mathematics - Compound Interest

In what time will Rs. 2400 amount to Rs. 2646 at 10% p.a. compounded semi-annually?

Asked by Topperlearning User 1st August 2017, 7:11 AM
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ICSE - IX - Mathematics - Compound Interest

Calculate the compound interest on Rs. 8000 for 1 1 halfyears at 12% per annum compounded half yearly.

Asked by Topperlearning User 1st August 2017, 7:10 AM
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ICSE - IX - Mathematics - Compound Interest

The population of a town increases by 5% every year. If its present population is 50000, find its population after 2 years.

Asked by Topperlearning User 1st August 2017, 7:06 AM
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ICSE - IX - Mathematics - Compound Interest

A company decreases its employee count by 20% every year. Find the employee count after 2 years, if the current employee count is 400.

Asked by Topperlearning User 1st August 2017, 7:05 AM
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ICSE - IX - Mathematics - Compound Interest

A sum of Rs. 5,000 invested at 8% p.a., compounded semi-annually, amounts to Rs. 5,624.32. Calculate the time period of the investment.

Asked by Topperlearning User 1st August 2017, 7:03 AM
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ICSE - IX - Mathematics - Compound Interest

  Please provide solution to this question

Asked by Topperlearning User 31st July 2017, 3:00 PM
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ICSE - IX - Mathematics - Compound Interest

On what sum of money will the difference between C.I. and S.I. for 2 years at 8% p.a. be equal to Rs. 8?

Asked by Topperlearning User 31st July 2017, 2:52 PM
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ICSE - IX - Mathematics - Compound Interest

The value of a machine, purchased two years ago, depreciates at the annual rate of 10%. If its present value is Rs. 97,200, find : (i) its value after 3 years (ii) its value when it was purchased

Asked by Topperlearning User 31st July 2017, 2:38 PM
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ICSE - IX - Mathematics - Compound Interest

On a certain sum of money, the difference between the compound interest for a year, payable half yearly, and the simple interest for a year is Rs. 16. Find the sum lent out if the rate of interest in both the cases is 8%.

Asked by Topperlearning User 31st July 2017, 2:34 PM
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ICSE - IX - Mathematics - Compound Interest

The compound interest calculated yearly at 12% on a certain sum of money amounts to Rs. 750 in the third year. Calculate the C.I. for the fourth year on the same sum and at the same rate.

Asked by Topperlearning User 31st July 2017, 2:21 PM
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ICSE - IX - Mathematics - Compound Interest

A sum of Rs. 9020 is borrowed at 20% C.I. compounded yearly and is paid back in two years by making two equal and annual payments. Calculate the amount of each yearly payment made at the end of each year.

Asked by Topperlearning User 31st July 2017, 1:59 PM
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ICSE - IX - Mathematics - Compound Interest

A loan taken at 20% C.I. per annum was repaid in 2 years by paying Rs. 2160 at the end of each year. How much loan was taken?

Asked by Topperlearning User 31st July 2017, 1:58 PM
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ICSE - IX - Mathematics - Compound Interest

Find the amount when Rs. 20,000 is invested for 2 1 halfyears at 20% per annum compounded yearly.

Asked by Topperlearning User 31st July 2017, 1:57 PM
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ICSE - IX - Mathematics - Compound Interest

In what time will Rs. 4000 yield a compound interest of Rs. 630.5 compounded half yearly at a rate of 10% per annum?

Asked by Topperlearning User 31st July 2017, 1:56 PM
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ICSE - IX - Mathematics - Compound Interest

Three persons A, B and C with ages 21, 22 and 23 years invest money at 20% compound interest, compounded yearly. Find out in what ratio should they invest so that each gets the same sum when they marry at the age of 30.

Asked by Topperlearning User 31st July 2017, 1:54 PM
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ICSE - IX - Mathematics - Compound Interest

Rohit and Rajan are two brothers with ages 18 years and 16 years respectively. In what ratio must they invest money at 5% compounded yearly so that each may get same sum at the age of 24 years?

Asked by Topperlearning User 31st July 2017, 1:48 PM
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ICSE - IX - Mathematics - Compound Interest

A sum of money was invested for 4 years, interest being compounded annually. The rates for successive years were 10%, 12%, 15% and 18% years respectively. If the compound interest for the third year amounted to Rs. 5,544, find the sum invested.

Asked by Topperlearning User 31st July 2017, 1:47 PM
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ICSE - IX - Mathematics - Compound Interest

If the amounts of two consecutive years on a sum of money are in the ratio 20:21, find : i. the rate of interest ii. the compound interest on Rs. 48, 000 for 3 years at this rate

Asked by Topperlearning User 31st July 2017, 1:46 PM
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ICSE - IX - Mathematics - Compound Interest

On a certain sum, the compound interest in 3 years amounts to Rs. 4,453.20. If the rates of interest for successive years are 5%, 8% and 10% respectively, find the sum.

Asked by Topperlearning User 31st July 2017, 1:43 PM
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ICSE - IX - Mathematics - Compound Interest

At what rate per cent per annum compound interest will Rs. 6,000 amount to Rs. 6,945.75 in 3 years?

Asked by Topperlearning User 31st July 2017, 1:43 PM
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ICSE - IX - Mathematics - Compound Interest

A man borrowed Rs. 16,000 for 3 years under the following terms; 16% simple interest for the first two years. 16% C.I. for the remaining one year on the amount due after 2 years, the interest being compounded semi-annually. Find the total amount to be paid at the end of the three years.

Asked by Topperlearning User 31st July 2017, 1:40 PM
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ICSE - IX - Mathematics - Compound Interest

What sum of money will amount to Rs. 7,123.20 in one and a half years at 12% per annum compounded yearly?

Asked by Topperlearning User 31st July 2017, 1:40 PM
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ICSE - IX - Mathematics - Compound Interest

On what sum of money will the C.I. for two and a half years at 10% amount to Rs. 676.25?

Asked by Topperlearning User 31st July 2017, 1:39 PM
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ICSE - IX - Mathematics - Compound Interest

The number of radiations given out by a certain sample of radio-active substance is halved in 3 years. Find in how many years will the number of radiations emitted by the same sample of radio-active substance be one-eight at the same rate.

Asked by Topperlearning User 31st July 2017, 1:36 PM
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ICSE - IX - Mathematics - Compound Interest

A factory increased its production of bicycles form 80,000 in the year 2008 to 92610 in the year 2011. Find the annual rate of growth of production of bicycles.

Asked by Topperlearning User 31st July 2017, 1:31 PM
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ICSE - IX - Mathematics - Compound Interest

The value of a machine depreciated for two years at the rate of 10% per year and then in the third year it increased by 15%. Find the original value (initial cost of the machine), if its value at the end of 3 years is Rs. 41,917.50.

Asked by Topperlearning User 31st July 2017, 1:24 PM
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ICSE - IX - Mathematics - Compound Interest

On what sum of money will the difference between compound interest compounded annually and compound interest compounded half-yearly be Rs. 63 in 18 months and at 10% per annum?

Asked by Topperlearning User 31st July 2017, 1:22 PM
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ICSE - IX - Mathematics - Compound Interest

On what sum of money will the difference between compound interest and simple interest be Rs. 840 in 2 1 halfyears at 20% per annum compounded annually?

Asked by Topperlearning User 31st July 2017, 1:22 PM
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ICSE - IX - Mathematics - Compound Interest

The compound interest on a certain sum of money at 5% per annum for two years is Rs. 246. Calculate the simple interest on the same sum for three years at 6% per annum.

Asked by Topperlearning User 31st July 2017, 1:20 PM
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ICSE - IX - Mathematics - Compound Interest

The simple interest on a sum of money for 2 years at 4% per annum is Rs. 170. Find: (i)  the sum of money and (ii) the compound interest on this sum for one year payable half-yearly at the same rate.

Asked by Topperlearning User 31st July 2017, 1:11 PM
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ICSE - IX - Mathematics - Compound Interest

In what period of time will Rs. 12,000 yield Rs. 3972 as compound interest at 10% per annum, if compounded on an yearly basis?

Asked by Topperlearning User 31st July 2017, 1:08 PM
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ICSE - IX - Mathematics - Compound Interest

A man borrows Rs. 2,500 at 5% simple interest for 2 years. He immediately lends out this money at compound interest at the same rate for the same time. What is his gain at the end of two years, correct to the nearest rupee.

Asked by Topperlearning User 31st July 2017, 1:06 PM
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ICSE - IX - Mathematics - Compound Interest

Padma invested Rs. 30,000 in a finance company and received Rs. 39,930 after 1.5 years. Find the rate of interest per annum compounded semi-annually.

Asked by Topperlearning User 31st July 2017, 12:55 PM
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ICSE - IX - Mathematics - Compound Interest

On What sum of money will the difference between the compound interest and simple interest for 2 years be equal to Rs. 25 if the rate of interest charged for both is 5% p.a.?

Asked by Topperlearning User 31st July 2017, 12:53 PM
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ICSE - IX - Mathematics - Compound Interest

At what rate % p.a. will a sum of Rs. 4000 yield Rs. 1324 as compound interest in 3 years?

Asked by Topperlearning User 31st July 2017, 12:52 PM
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ICSE - IX - Mathematics - Compound Interest

the C.I  on a  sum of money for 2 years is rs. 820/- and the S.I on the same sum for the same period is rs. 800/- . find the sum and rate of interest.

Asked by abhi611 19th July 2017, 10:36 PM
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ICSE - IX - Mathematics - Compound Interest

a sum amounts to rupees 10,584 in two years and to 11,130.20 in three years. interest being compoundedannually , find the rate per cent.

Asked by abhi611 19th July 2017, 10:27 PM
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