Thursday, 13 March 2014

Simple Interest

14:04

Principal:
The money borrowed or lent out for a certain period is called the principal or the sum.

Interest:
Extra money paid for using other's money is called interest.

Simple Interest (S.I.):
If the interest on a sum borrowed for certain period is reckoned uniformly, then it is called simple interest.
Let Principal = P, Rate = R% per annum (p.a.) and Time = T years. Then

(i). Simple Intereest = (P x R x T/100)

(ii). P=(100 x S.I./R x T); R = (100 x S.I./P x T) and T =(100 x S.I./P x R) .




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