How much money did Disha win in all? Options: A . &nbsp534 B . &nbsp564 C . &nbsp524 D . &nbsp584 E . &nbsp1600

Answer: Option C : C Back calculating, we can find out the initial amount Disha started out with = 500 rupees In round 1 ,She puts in 1 5 t h of the amount= 100 rupees, which she loses and she has 500-100=400 rupees at the end of this round In round 2, she invests the entire amount= 400 rupees and makes twice the amount= 800 rupees In round 3, She puts in 1 5 t h of the amount= 160 rupees, which she loses and she has 800-160=640 rupees at the end of this round In round 4, she invests the entire amount= 640 rupees and makes twice the amount= 1280 rupees In round 5, She puts in 1 5 t h of the amount= 256 rupees, which she loses and she has 1280-256=1024 rupees at the end of this round Finally left with 1024 rupees Totally she has made = 1024-500= 524 rupees

How much money did Disha win in all?

Question

How much money did Disha win in all?

Answer: Option C
:
C
Back calculating, we can find out the initial amount Disha started out with = 500 rupees
In round 1,She puts in

\frac{1}{5^{t h}}

of the amount= 100 rupees, which she loses and she has 500-100=400 rupees at the end of this round
In round 2, she invests the entire amount= 400 rupees and makes twice the amount= 800 rupees
In round 3, She puts in

\frac{1}{5^{t h}}

of the amount= 160 rupees, which she loses and she has 800-160=640 rupees at the end of this round
In round 4, she invests the entire amount= 640 rupees and makes twice the amount= 1280 rupees
In round 5, She puts in

\frac{1}{5^{t h}}

of the amount= 256 rupees, which she loses and she has 1280-256=1024 rupees at the end of this round
Finally left with 1024 rupees
Totally she has made = 1024-500= 524 rupees

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