**The Question is in NCERT of Class 10th on Page no. 99 Ex. 5.1 Question number 1 (iv).**** Find whether the following question is an Arithmetic Progression or Not? Also give the sloution.**

# The amount of money in the account every year, when Rs 10000 is deposited at compound interest at 8% per annum. Find wether it is A.P or not.

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Solution:r= 8%

p= 10000

n= No. of Years

Compound Interest = P(1+r/100)

^{n}∴ after each year, the amount will be;

10000(1+8/100), 10000(1+8/100)

^{2}, 10000(1+8/100)^{3}……Clearly, in this series the common difference between them is not equal. This is not an A.P.