A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When – McqOptions

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1.	A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions mad by the larger wheel is:
A.	4
B.	9
C.	12
D.	49
Answer» C. 12

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