140m
220m
280m
440m
Correct answer is D
radius = \(\frac{diameter}{2}\) = \(\frac{1.4}{2}\)
= 0.7m
circumference = 2\(\pi r = 2 \times \frac{22}{7} \times 0.7m = 4.4m\)
distance covered = 4.4m x 100 = 440m
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