

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, what is the number of revolutions made by the larger wheel? |
A. | \[4\] |
B. | \[9\] |
C. | \[12\] |
D. | \[49\] |
Answer» C. \[12\] | |