A man deposited Rs. 10000 in a bank at the ra | vedclass

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(A) The principal amount $P = Rs. 10000$ and the annual simple interest $I = \frac{5}{100} 	imes 10000 = Rs. 500$.The amount in the $n^{	ext{th}}$ y

Vedclass · Accepted Answer

$Rs. 17000$ and $Rs. 20000$

Vedclass · Answer

(A) The principal amount $P = Rs. 10000$ and the annual simple interest $I = \frac{5}{100} 	imes 10000 = Rs. 500$.The amount in the $n^{	ext{th}}$ year is given by $A_n = P + (n-1)I$.For the $15^{	ext{th}}$ year,$n = 15$:$A_{15} = 10000 + (15-1) 	imes 500 = 10000 + 14 	imes 500 = 10000 + 7000 = Rs. 17000$.The total amount after $20$ years is the amount at the end of the $20^{	ext{th}}$ year:$A_{20} = P + 20 	imes I = 10000 + 20 	imes 500 = 10000 + 10000 = Rs. 20000$.

$A$ man deposited $Rs. 10000$ in a bank at the rate of $5\%$ simple interest annually. Find the amount in the $15^{\text{th}}$ year since he deposited the amount and also calculate the total amount after $20$ years.

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