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17. Compound Interest
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Q4 of 30 Page 130

A car is valued at Rs 4,00,000. If its value falls at 2.5% per year, what will its value be after 3 years?

Given: Principal (P) = Initial price of car = Rs.4,00,000, Rate of Interest (R) = fall in rate = 2.5% and Number of years (n) = 3year

As Amount (A) = Population after two years:


(it is case of fall hence negative)





⇒ A = Rs 370743.75


Rate of car after 3 years will be = Rs 370743.75


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Ambadas took a loan of Rs 96,000 at compound interest from a bank to drill a well in his field. If the rate is 6.25 p.c.p.a. what amount will he have to pay to the bank, if he returns the loan after 2 years, what amount will he have saved had he been able to borrow the same amount at simple interest for the same period at the same rate?

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The population of a village is 1,20,000. If the population increases by 5% every year, what will it be after 3 years?

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Two years ago Rajani purchased a machine for Rs 75,000. If its value falls by 4% every year, what is the value of the machine today?

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Questions · 30
17. Compound Interest
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