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30 Mar 2017, 11:53
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
80% (00:59) correct
20%
(01:06)
wrong
based on 97
sessions
History
Date
Time
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Not Attempted Yet
The latest model of space shuttle can achieve a maximum speed of 25 miles per second. This maximum speed is how many miles per hour?
A. 1,500
B. 3,600
C. 9,000
D. 15,000
E. 90,000
A. 1,500
B. 3,600
C. 9,000
D. 15,000
E. 90,000
0akshay0
Joined: 19 Apr 2016
Last visit: 14 Jul 2019
Posts: 203
Given Kudos: 59
Location: India
Schools: Jindal '20 Kelley '20 Broad '20 Carey '20 Mays '20
GMAT 1: 570 Q48 V22
GMAT 2: 640 Q49 V28
GPA: 3.5
WE:Web Development (Computer Software)
30 Mar 2017, 23:44
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SajjadAhmad
The latest model of space shuttle can achieve a maximum speed of 25 miles per second. This maximum speed is how many miles per hour?
A. 1,500
B. 3,600
C. 9,000
D. 15,000
E. 90,000
A. 1,500
B. 3,600
C. 9,000
D. 15,000
E. 90,000
25 miles per second = 25*60*60 miles per hour
By using halving and doubling method we have,
25*60*60 = 25 * 36 *100 = 50*18*100 = 100*9*100 = 90000
Hence option E is correct
Hit Kudos if you liked it
31 Mar 2017, 03:38
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SajjadAhmad
The latest model of space shuttle can achieve a maximum speed of 25 miles per second. This maximum speed is how many miles per hour?
A. 1,500
B. 3,600
C. 9,000
D. 15,000
E. 90,000
A. 1,500
B. 3,600
C. 9,000
D. 15,000
E. 90,000
Unit Conversion:
\(\frac{25 miles}{1 second} = \frac{25 miles}{\frac{1}{60*60} hours} = \frac{25 *60*60 miles}{1 hour} = 90000 miles/hour\)
