alleryA wheel of radius 21 cm rolls 50 turns without slipping; distance? π = 22/7.
A1320 cm
B6600 cm
C3300 cm
D13,200 cm
Answer & Solution
Correct answer: B. 6600 cm
Each turn covers 2 × (22/7) × 21 = 132 cm, so 50 turns cover 6600 cm.
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