a2zinterviews

1.	Let Principal = P, Rate = R% per annum, Time = n years.

2.	When interest is compound Annually:

	Amount = P		1 +	R		n
				100

3.	When interest is compounded Half-yearly:

	Amount = P		1 +	(R/2)		2n
				100

4.	When interest is compounded Quarterly:

	Amount = P		1 +	(R/4)		4n
				100

5.	When interest is compounded Annually but time is in fraction, say 3x2/5 years

	Amount = P		1 +	R		3
				100

x		1 +	2/5 x R
			100

6.	Present worth of Rs. x due n years hence is given by:

	Present Worth = x /		1 +	R		n
				100