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# Speed & Distance

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Senior Manager
Joined: 31 Jul 2017
Posts: 477
Location: Malaysia
GMAT 1: 700 Q50 V33
GPA: 3.95
WE: Consulting (Energy and Utilities)

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17 Nov 2017, 03:05
00:00

Difficulty:

(N/A)

Question Stats:

100% (00:49) correct 0% (00:00) wrong based on 2 sessions

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The Speed of a Car during the second hour of its Journey is thrice that in the first hour. Also, its third hours speed is the average speed of the first two hours. Had the car travelled at the second hour speed during all the first three hours, then it would have travelled 150 km more. Find the percentage reduction in time in the second case for the first three hours.

a) 33.33%
b) 40%
c) 25%
d) 50%
e) 30%

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17 Nov 2017, 08:48
rahul16singh28 wrote:
The Speed of a Car during the second hour of its Journey is thrice that in the first hour. Also, its third hours speed is the average speed of the first two hours. Had the car travelled at the second hour speed during all the first three hours, then it would have travelled 150 km more. Find the percentage reduction in time in the second case for the first three hours.

a) 33.33%
b) 40%
c) 25%
d) 50%
e) 30%

Please read carefully and follow our RULES OF POSTING. Pay attention to rule 12: ONLY Questions from Reliable GMAT Sources are Allowed on the Forum! Thank you.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: Speed & Distance &nbs [#permalink] 17 Nov 2017, 08:48
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