Schlumberger Interview Question
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Interview Question for Field Specialist at Schlumberger:
Jan 22, 2012
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Answers & Comments (4)
Jan 28, 2012
The answer is actually 30 degrees. Think about the position of the hands, they are only 5 minutes apart. Either way, divide the clock 360 degrees by 12, then the answer is 1/12. It may be 29 degrees if they want you to consider the amount of movement for the hour hand. This is relatively simple!
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Jan 30, 2012
Actually, the answer is 20 degrees. You need to consider the amount of movement of the small hand also.
At 3:20, the big hand (minute hand) will have moved by 120 degrees away from the 12 hour mark (20 minutes are equivalent to 120 degrees for the big hand).
Also, the small hand will have moved 3*30degrees+ 30degrees/3=100degrees away from the 12 hour hand.
The difference between the 2 is 20 degrees (120-100).
At 3:20, the big hand (minute hand) will have moved by 120 degrees away from the 12 hour mark (20 minutes are equivalent to 120 degrees for the big hand).
Also, the small hand will have moved 3*30degrees+ 30degrees/3=100degrees away from the 12 hour hand.
The difference between the 2 is 20 degrees (120-100).
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May 2, 2012
30
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