Question

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Answer 1

Answer:

Rs.54,016

Step-by-step explanation:

First Year : Capital = 2,00,000

Profit % = 5 %

⇒ Next Year Capital = Capital + 5% of Capital

⇒ Next Year Capital = 2,00,000 + ( 5/100 ) × 2,00,000

⇒ Next Year Capital = 2,00,000 + ( 0.05 × 2,00,000 )

⇒ Next Year Capital = 2,00,000 + 10,000 = Rs. 2,10,000

Second Year : Capital = 2,10,000

Profit % = 8 %

⇒ Profit = 2,10,000 + ( 8/100 ) × 2,10,000

⇒ Next Year Capital = 2,10,000 + ( 0.08 × 2,10,000 )

⇒ Next Year Capital = 2,10,000 + 16,800 = Rs. 2,26,800

Third Year : Capital = 2,26,800

Profit % = 12 %

⇒ Next Year Capital = 2,26,800 + ( 12/100 ) × 2,26,800

⇒ Next Year Capital = 2,26,800 + 27,216 = Rs. 2,54,016

Hence Amount at the end of 3 years is 2,54,016.

Profit at the end of three years = Final value - Initial Value

⇒ 2,54,016 - 2,00,000 = Rs. 54,016

Hence the profit made at the end of 3 years is Rs.54,016

Answer 2

ANSWER





GIVEN



Pooja investment = Rs 200000


Successive profit is


Ist. year profit = 5%

2nd year profit = 8%

3rd year profit=12%






FORMULA USED




$successive \: amount\:formula \: \: \: for \: n \: year \:$


$= p(1 + \frac{r(1)}{100} )(1 + \frac{r(2)}{100}) ..........(1 + \frac{r(n)}{100}$





so know back on questions


put the value in FORMULA





$total \: investment \: of \: pooja \: after \: 3 \: year \:$



$= 200000(1 + \frac{5}{100} )(1 + \frac{8}{100} ) + (1 + \frac{12}{100} )$




$= 200000( \frac{105}{100} )( \frac{108}{100} )( \frac{112}{100} )$




$= 21 \times 112 \times 108$





$= 254,016 \: \: rs$






HENCE



Profit after three year get by pooja =Rs 254016-200000=Rs 54016




IMPORTANT NOTICE



HEY STUDENT HERE I AM USING

SUCCESSIVE PROFIT FORMULA


you can also find it by simple interest