Question

A person deposit Rs 1000 in the first month the overy month he increase the monthly deposited by Rs 60 calculate his total investment at the end of 2 years
You have an AP with
a = 1000
d = 60

You want the sum after 24 months, which is, using the usual formula:

S24 = 24/2 (2a+23d)

Now just crank it out
Are you using this in India

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