1.

A stunt cycle has two wheels of differing diameters. The circumferences of the two wheels are 1.2 m and 0.7 m respectively. At some point the points touching the ground were marked with chalk. How far must the cycle move for the marks to touch the ground simultaneously again?

A. 8.4 m
B. 0.84 m
C. 1.2 m
D. None of these
Answer» B. 0.84 m


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