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Master | Next Rank: 500 Posts
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by priyankamishra11 » Mon Sep 15, 2008 8:47 am
An investment fund manager is considering three stocks, P, Q, and R for her portfolio. For the cost of 1 share of P, she could buy 3 shares of Q or 5 shares of R. If she invested an amount equal to the cost of 4,500 shares of Q but purchased equal numbers of shares of P and R and no shares of Q, how many shares of R did she buy?
250
625
1,250
3,650
3,750
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by Neo2000 » Mon Sep 15, 2008 9:28 am
The LCM of 1,3 and 5 is 15. So let's say that share P costs 15 which means share Q costs 5 and share R costs 3

Cost of 4500 shares of Q = 4500x5

She bought equal number of shares of P an R say Y

So 15Y + 3Y = 4500x5

18Y = 4500x5

Y = 250x5 = 1250

Y = 1250
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by priyankamishra11 » Mon Sep 15, 2008 10:24 am
Thanks.. :) i got it
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