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by sulabh » Tue Jun 24, 2008 5:22 am
An investor purchased a share of non-dividend-paying stock for p dollars on Monday. For a certain number of days, the value of the share increased by r percent per day. After this period of constant increase, the value of the share decreased the next day by q dollars and the investor decided to sell the share at the end of that day for v dollars, which was the value of the share at that time. How many working days after the investor bought the share was the share sold, if ?
A. Two working days later.
B. Three working days later.
C. Four working days later.
D. Five working days later.
E. Six working days later.
750(Q50,V40)
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by punit.kaur.mba » Tue Jun 24, 2008 9:36 am
The question seems incomplete. What do you have after "if" at the end?


However, I can write the equation needed to solve this question. Substitute the values and you should get the answer.

Since the value of the share increases by r percent daily. Lets say on the nth day the value of the share will be

P(1+r/100)^n where P is the original value at which the share was bought. r is the percent. n is the number of days

So P(1+r/100)^n - q = v.
You can solve this using the given data.
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by beeparoo » Tue Jun 24, 2008 5:05 pm
No one can solve this problem because information is missing from it. Otherwise, how can you isolate time, n, and have a final ans that matches one of the answer choices???

@sulabh: Your copy/paste did not include a vital equation, which comes right after the "IF"

The question should be: "How many working days after the investor bought the share was the share sold, if
r = 100{sqrt[(v+q)/p] - 1}?"
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by punit.kaur.mba » Wed Jun 25, 2008 6:48 am
IMO answer is (A) Two working days later.

Use the equation Beeparoo gave, and solving it with the equation I derived in previous post.

Whats the OA?
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by raajan_p » Sat Nov 29, 2008 11:02 am
I thought this question was left incomplete without any further discussion...

Can any of the forum users or experts throw some light on this question...

Thanks in Advance!
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by cramya » Sat Nov 29, 2008 11:17 am
Raajan,

Refer to

https://www.beatthegmat.com/stocks-t17461.html
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by raajan_p » Sat Nov 29, 2008 11:55 am
Thanks a lot Cramya
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