Posted by **Anonymous** on Monday, February 4, 2013 at 6:03am.

A man borrows Rs 18000 at 5% per annum compound interest .If he repays Rs 6000 at the end of the first year and Rs 8000

at the end of the second year; how much should he pay at the end of the 3rd year in order to clear the account?

- maths -
**Reiny**, Monday, February 4, 2013 at 8:47am
x + 8000(1.05) + 6000(1.05)^2 = 1800(1.05)^3

...

....

x =5822.25

( For these I make a "time graph"

on a line, mark 0 (now), year 1, year 2 , and year 3

Place 18000 above the "now"

place 6000 at 1, 8000 at 2, and x at 3

"move" all monies to position 3 )

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