MEDIUM
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A scooter was bought at 42,000. Its value depreciated at the rate of 8% per annum. If its value after two years is k in decimal form, then find the value of k.

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Important Questions on Uniform Rate of Increase or Decrease

EASY
What is the simple interest on a sum of 99000 at 1212% per annum for a period of 9 months?
EASY
In what time will a sum Rs. 800 at 5% p.a. CI amounts to Rs. 882?
EASY
An amount 35000 with the rate of interest is 7% per annum, it is compounded on a monthly basis, then tell the effective rate of interest.
EASY
A sum of 8,400 amounts to 11,046 at 8.75% p.a. simple interest in certain time. What is the simple interest on the sum of 9,600 at the same rate for the same time?
EASY
The price of a machine in a factory of your uncle depreciates at the rate of 10% every year. If its present price is 6000, what will be its price after 3 years?
EASY
Find present value of a sequence of annual payments of Rs. 3,000 each if first payment being made at the end of 4 years, the last at the end of 12 years and money worth 7% per annum compounded annually. [Given that (1.07)-3=0.8164,(1.07)-4=0.7629,(1.07)-8=0.5820 and (1.07)-12=0.5326]
EASY
If the compound interest on a certain sum for 2 years at 3% p.a. is  1015. What would be the simple interest on the sum at the same rate and same time is
MEDIUM
A bill of Rs. 8,000 for 4 months was discounted for Rs. 7,904 on August 10th  2015. If the rate of interest is 6% per annum, then find the date on which the bill was drawn.
EASY
If 12000 is invested for two years at compound interest (compound annually) at the rate of 20% p.a. , then what is the interest?
EASY
Rs6000 becomes, Rs7200 in, 4 years at a certain rate of simple interest. If the rate becomes 1.5 times of itself, the amount of the same principal in 5 years  will be 
EASY
A person invested Rs. 1,000 at S.I. The rate of interest doubles every year. In the first year, the rate of interest is 4%. In which year did this person earn Rs. 160 as interest?
HARD
Rs 7500 is borrowed at. C.I at the rate of 4% per annum. What will be the amount to be paid after  6 months, if interest is compound quarterly?
EASY
What is the compound interest (in Rs.) on Rs. 12500 at the rate of 12% per annum compounded yearly for 2 years?
MEDIUM
x invested at 9% simple interest per annum for 5 years yields the same interest as that on y invested at 6.25% simple interest per annum for 8 years. Find x:y?
EASY
The interest on a certain sum of money at 10% p.a. for the third year is 650. If the interest is compounded annually, what will it be in the fourth year?
EASY

A moneylender claims to lend money at the rate of 10% per annum simple interest. However, he takes the interest in advance when he lends a sum for one year. At what interest rate does he lend the money actually?

MEDIUM
Sarvesh bought a truck at 8,00,000 whose value depreciates each year by 20%. How much should Sunil pay Sarvesh, if he purchases it after 4 years?
EASY
Find the S.I. on Rs. 1,200 for 3 years if the rate of interest for each of the years is 4%, 5%, and 6%, respectively.
EASY
A sum of Rs. 2000 is invested at the rate of 8.5% simple interest per annum for 6 years will yield an interest of:
EASY
A certain sum of money becomes Rs.2250 at the end of 2 years and becomes Rs.2625 at the end of 5 year. If a person receives only simple interest, then find the rate of interest?