Advertisements
Advertisements
प्रश्न
Find the principal which will amount to Rs 22,344 in 2 years at compound interest if the rates of interest for the successive years are 12% and 14%?
Advertisements
उत्तर
Here P= ? ; t = 2 years; r = 12 % and 14 % successively; A= Rs 22,344
`"A" = "P" (1 + "r"/100)^"n"`
Rs 22344 = P `(1 + 12/100)(1 + 14/100)`
Rs 22344 = P x 1.12 x 1.14
Rs22,344 = 1.2768 P
P = Rs `22344/1.2768`
P = Rs 17500
Hence, the principaI is Rs 17, 500.
संबंधित प्रश्न
Mr. Chatterjee borrowed Rs 50,000 in compound interest from Mr. Patel for 2 years when the rates of interest for the successive years were `7 1/2 %` and `9 1/4 %`. If Mr. Chatterjee returned Rs 27, 750 at the end of the first year, find the amount he needs to return at the end of the seoond year to clear the loan.
The value of a 'Honda' bike depreciated by 16% in the first year and by 13% in the second year. Find the value of the bike if it depreciated by Rs 7,098 in the second year.
The cost of a machine dep reciated by Rs 2592 during the third year and by Rs 2332.80 during the fourth year. Calculate :
The cost at the end of the fourth year.
Rajan borrowed Rs 32,000 at 12% compound interest for 2 years. At the end of the first year he returned some amount and on paying Rs 17,920 at the end of the second year, he cleared the loan. Calculate the amount Rajan paid at the end of the first year.
On what sum of money will the compound interest for 2 years at 8% per annum amount to Rs 1399.68?
In what time will Rs 8,000 amount to Rs 12,167 at 15% per annum compounded annually?
In what time will Rs 50,000 yield an interest of Rs 32,151.60 at 18% per annum interest compounded annually?
The compound interest on a certain sum of money at 5% p.a. for 2 years is Rs 512.50. What will be the simple interest on the same sum for 3 years at 6% p.a.?
If the interest is compounded half yearly, calculate the amount when the Principal is Rs. 7,400, the rate of interest is 5% per annum and the duration is one year.
The cost of a machine depreciates by 10% every year. If its present worth is Rs.18,000; what will be its value after three years?
