A, b, c start at the same time in the same direction to run around a rectangular garden. a completes a round in 252 seconds, b in 308 seconds and c in 198 seconds starting at the same point. after what time will they meet again at the starting point?
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after 2772 seconds later
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2
Answer:
Step-by-step explanation: First take LCM of three numbers 252, 308, 198.
2[252,308,198]
3 [126,154,99]
2 [42,154,33]
11 [21,77,33]
7[21,7,3]
3 [3,1,3]
[1,1,1]
2*2*3*3*11*7/60
= 46 minutes 12 seconds is the answer.
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