What is the rate of interest when the P.W. of | vedclass

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Question

(A) The True Discount $(T.D.)$ is the difference between the Amount $(A)$ and the Present Worth $(P.W.)$.$T.D. = A - P.W. = 1245 - 1200 = 45$.Here,$P.

Vedclass · Accepted Answer

$3$

Vedclass · Answer

(A) The True Discount $(T.D.)$ is the difference between the Amount $(A)$ and the Present Worth $(P.W.)$.$T.D. = A - P.W. = 1245 - 1200 = 45$.Here,$P.W. = 1200$,$T.D. = 45$,and Time $(T)$ = $15$ months = $\frac{15}{12}$ years = $1.25$ years.The formula for the rate of interest $(R)$ is given by $R = \frac{T.D. 	imes 100}{P.W. 	imes T}$.Substituting the values: $R = \frac{45 	imes 100}{1200 	imes (15/12)}$.$R = \frac{4500}{1200 	imes 1.25} = \frac{4500}{1500} = 3\%$.Thus,the rate of interest is $3\%$.

What is the rate of interest when the $P.W.$ of $Rs. 1245$ due in $15$ months is $Rs. 1200$? (in $\%$)

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