alleryA wheel has diameter 70 cm. How far does it travel in 100 full turns? (Take π = 22/7)
A22 m
B220 m
C110 m
D440 m
Answer & Solution
Correct answer: B. 220 m
One turn covers π × 70 = 220 cm, so 100 turns cover 22000 cm = 220 m.
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