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Logical Reasoning
Number Series
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
Read Solution (Total 1)
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- More cogs less revolution,..
so
6:14::x:21
21*6)/14=9 - 11 years agoHelpfull: Yes(1) No(1)
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