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A certain machine produces 1,000 units of product P per hour. Working

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Ryerson (Ted Rogers) Thread Master
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A certain machine produces 1,000 units of product P per hour. Working  [#permalink]

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New post 22 Dec 2015, 22:36
2
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

97% (00:46) correct 3% (00:28) wrong based on 130 sessions

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A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?

A. 7,000
B. 24,000
C. 40,000
D. 100,000
E. 168,000

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A certain machine produces 1,000 units of product P per hour. Working  [#permalink]

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New post 23 Dec 2015, 05:07
Forget conventional ways of solving math questions. In PS, IVY approach is the easiest and quickest way to find the answer.

A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?

A. 7,000
B. 24,000
C. 40,000
D. 100,000
E. 168,000



Since 7 days consist of 24*7 hours the total hours of a week is 168 hours.
Since every hour the machine produces 1000 units of product P the total product during 168 hours is 168,000.




The answer is, therefore, (E).
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Re: A certain machine produces 1,000 units of product P per hour. Working  [#permalink]

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New post 23 Dec 2015, 05:27
RSOHAL wrote:
A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?

A. 7,000
B. 24,000
C. 40,000
D. 100,000
E. 168,000


IMO Option E - 168000
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Re: A certain machine produces 1,000 units of product P per hour. Working  [#permalink]

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New post 04 Jul 2018, 08:45
RSOHAL wrote:
A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?

A. 7,000
B. 24,000
C. 40,000
D. 100,000
E. 168,000


The efficiency of the machine is 1000 units/p hour

7 days = 24*7 => 168 Hours..

So, No of units produced is 168000 units, answer must be (E)
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Re: A certain machine produces 1,000 units of product P per hour. Working &nbs [#permalink] 04 Jul 2018, 08:45
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