there is a circular path around a sports field if Saudia takes 18 minutes to drive one round on the field while the rohit take 12 minute for the same suppose they both start at the same point and at the same time and go in the same direction at after how minutes will they meet again at the starting point
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after saudia drive 2 times and rohit drives 3 times on the road they can meet again each other at starting point
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18=2×3×3
12=2×2×3
Now we get common factors. 2×3×3×2=36 minutes.
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