21
Three friends J K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively In how many minutes will all the three meet again at the starting point ?
- A5
- B8
- C12
- D3
Answer not set
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0
CCommunity
Solution
LCM of 12, 18 and 20 = 180
Hence, they'll meet again after 180 seconds => 3 minutes.
LCM of 12, 18 and 20 = 180
Hence, they'll meet again after 180 seconds => 3 minutes.
0
CCommunity
Solution
LCM of 12, 18 and 20 = 180
Hence, they'll meet again after 180 seconds => 3 minutes.
LCM of 12, 18 and 20 = 180
Hence, they'll meet again after 180 seconds => 3 minutes.