please answer my question
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Your answer is (a)
Step-by-step explanation:
Sam start from A of the circle and made one round
So,time taken by sam=circumference of the circle
And billy start from center of the same circle and end at A
So,time taken by Billy=radius of the circle
So,ratio of time taken by Sam and Billy is circumference/radius
=2×22/7×r÷r
=2×22/7
=(a)
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