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grkmurthy
 Post subject: Word Problem
PostPosted: Thu Dec 13, 2007 6:38 am 
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Senior Consultant

Joined: Sun Oct 14, 2007 6:41 am
Posts: 37
The price of a stock increased by 10% in June. It declined by 15% in July. The price went up by 20% in August. What is the percentage change in stock price from the beginning of June to end August?

(1) 11.5
(2) 15.0
(3) 12.2
(4) 22.5
(5) 12.5
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enigma
 Post subject: 12.2% increase. choice C
PostPosted: Thu Dec 13, 2007 9:48 am 
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Joined: Wed Nov 21, 2007 5:33 am
Posts: 5
If the price initially was 100, then after increase in june the price would have been 110.

Then a 15% decline in July 110 - 15% of 110 = 93.5

Then a 20% increase in August = 93.5 + 20% of 93.5 = 112.2

so a 12.2% increase.
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