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# In which of the following situations, does the list of numbers involved make as arithmetic progression and why?(iv) The amount of money in the account every year, when Rs 10000 is deposited at compound interest at 8% per annum. Q.1(4)

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How i solve the problem of exercise 5.1 of arithmetic progressions in easy way. I have tried many times but i can’t so please help me for solving this problem In which of the following situations, does the list of numbers involved make as arithmetic progression and why?(iv) The amount of money in the account every year, when Rs 10000 is deposited at compound interest at 8% per annum.

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1.

We know that if Rs. PÂ is deposited atÂ r% compound interest per annum for n years, the amount of money will be:

P(1+r/100)n

Therefore, after each year, the amount of money will be;

10000(1+8/100), 10000(1+8/100)2, 10000(1+8/100)3â€¦â€¦

Clearly, the terms of this series do not have the common difference between them. Therefore, this isÂ not an A.P.

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