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13 Dec 2018, 00:56
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
88% (01:02) correct
12%
(01:30)
wrong
based on 75
sessions
History
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Machine A, which produces 15 golf clubs per hour, fills a production lot in 6 hours. Machine B fills the same production lot in 1.5 hours. How many golf clubs does machine B produce per hour?
A. 30
B. 40
C. 60
D. 90
E. 120
A. 30
B. 40
C. 60
D. 90
E. 120
13 Dec 2018, 01:11
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Bunuel
We know , W = R * T
Rate of Machine A = 15 golf clubs per hour
Time of Machine A = 6 hours
Here , W = 15 * 6 = 90 golf clubs
Work is equal for both the Machines, So
Time for Machine A = 1.5 hours
90 = Rate of Machine B * 1.5
Rate of Machine B = 90*10/15
60 (C)
13 Dec 2018, 01:13
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Machine A fills production lot in 6 hours and machine B fills in 1.5 hours. So, machine B is 6/1.5 = 4 times faster than machine A.
So, machine B will produce 15*4 = 60 golf clubs per hour.
Option C is the answer.
So, machine B will produce 15*4 = 60 golf clubs per hour.
Option C is the answer.
