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At the close of the market on Monday, the price of a certain volatile

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At the close of the market on Monday, the price of a certain volatile  [#permalink]

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New post 07 Mar 2019, 02:14
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A
B
C
D
E

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At the close of the market on Monday, the price of a certain volatile stock was exactly $100.00 per share. By close of the day on Tuesday, the stock was 20% up from its start that day. By the close of the day on Wednesday, the stock was 10% up from its start that day. By the close of the day on Thursday, the stock was 30% down from its start that day. What was the price per share by the end of the day on Thursday?

A. 91
B. 92.4
C. 100
D. 101.07
E. 109.89

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At the close of the market on Monday, the price of a certain volatile  [#permalink]

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New post Updated on: 07 Mar 2019, 02:59
Bunuel wrote:
At the close of the market on Monday, the price of a certain volatile stock was exactly $100.00 per share. By close of the day on Tuesday, the stock was 20% up from its start that day. By the close of the day on Wednesday, the stock was 10% up from its start that day. By the close of the day on Thursday, the stock was 30% down from its start that day. What was the price per share by the end of the day on Thursday?

A. 91
B. 92.4
C. 100
D. 101.07
E. 109.89


NOTE: Today's closing price will be the opening price in next day.


Mon- 100

Tue - 100* 120% = 120.

Wed - 120* 110% = 132

Thr - 132 * 70% = 92.4.

B is the correct answer.

Originally posted by KSBGC on 07 Mar 2019, 02:33.
Last edited by KSBGC on 07 Mar 2019, 02:59, edited 1 time in total.
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Re: At the close of the market on Monday, the price of a certain volatile  [#permalink]

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New post 07 Mar 2019, 02:50
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The calculation is wrong and is B

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Re: At the close of the market on Monday, the price of a certain volatile  [#permalink]

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New post 07 Mar 2019, 05:41
Bunuel wrote:
At the close of the market on Monday, the price of a certain volatile stock was exactly $100.00 per share. By close of the day on Tuesday, the stock was 20% up from its start that day. By the close of the day on Wednesday, the stock was 10% up from its start that day. By the close of the day on Thursday, the stock was 30% down from its start that day. What was the price per share by the end of the day on Thursday?

A. 91
B. 92.4
C. 100
D. 101.07
E. 109.89


100 * 1.2*1.1*.7
IMO B 92.4
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Re: At the close of the market on Monday, the price of a certain volatile   [#permalink] 07 Mar 2019, 05:41
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