Question
In 5 years, the simple interest on an amount of Rs X is 2th/5 of the principal. The rate of interest per annum is :
Solution
ATQ, we can say that Simple Interest = 2/5 th of the Sum i.e 40% Simple Interest is An Arithmetic Progression So , Simple Interest in 5 years = 40% Simple Interest in 1 year = (40/5) = 8% Therefore Rate Percent Per Annum = 8%
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