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At the opening of a trading day at a certain stock exchange, the price

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At the opening of a trading day at a certain stock exchange, the price  [#permalink]

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New post 25 May 2016, 01:56
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At the opening of a trading day at a certain stock exchange, the price per share of stock K was $8. If the price per share of stock K was $9 at the closing of the day, what was the percent increase in the price per share of stock K for that day?

(A) 1.4%
(B) 5.9%
(C) 11.1%
(D) 12.5%
(E) 23.6%
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Re: At the opening of a trading day at a certain stock exchange, the price  [#permalink]

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New post 25 May 2016, 07:22
nalinnair wrote:
At the opening of a trading day at a certain stock exchange, the price per share of stock K was $8. If the price per share of stock K was $9 at the closing of the day, what was the percent increase in the price per share of stock K for that day?

(A) 1.4%
(B) 5.9%
(C) 11.1%
(D) 12.5%
(E) 23.6%


Easy one.... BUT important that we choose the BASE of % correctly...
increase of 1 on 8, so\(\frac{1}{8} * 100 = 12.5%\)
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Re: At the opening of a trading day at a certain stock exchange, the price  [#permalink]

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New post 25 May 2016, 07:49
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nalinnair wrote:
At the opening of a trading day at a certain stock exchange, the price per share of stock K was $8. If the price per share of stock K was $9 at the closing of the day, what was the percent increase in the price per share of stock K for that day?

(A) 1.4%
(B) 5.9%
(C) 11.1%
(D) 12.5%
(E) 23.6%


Opening = 8
Closing = 9

Rise in prise = 1

So, percent increase = \(\frac{1}{8}*100\) =>12.50%

Thus answer will be (D)

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Re: At the opening of a trading day at a certain stock exchange, the price  [#permalink]

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New post 25 May 2016, 08:38
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nalinnair wrote:
At the opening of a trading day at a certain stock exchange, the price per share of stock K was $8. If the price per share of stock K was $9 at the closing of the day, what was the percent increase in the price per share of stock K for that day?

(A) 1.4%
(B) 5.9%
(C) 11.1%
(D) 12.5%
(E) 23.6%


Increase in price = 9-8= $1
Original price= $8

% increase= 1/8*100= 12.5%
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Re: At the opening of a trading day at a certain stock exchange, the price  [#permalink]

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New post 07 Jul 2016, 13:06
this is a <600 level question
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Re: At the opening of a trading day at a certain stock exchange, the price  [#permalink]

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New post 14 Aug 2018, 16:25
\(\frac{New-Old}{Old}\)=\(\frac{Closing-Opening}{Opening}\)

\(\frac{9-8}{8}\)=\(\frac{1}{8}\)=12.5%

Correct Answer (D) 12.5%
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Re: At the opening of a trading day at a certain stock exchange, the price   [#permalink] 14 Aug 2018, 16:25
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