Three runners running around a circular track can complete one revolution in 2, 4 and 5.5 respectively. When will they meet at starting point ? Choose the correct choice from the following answers: A) 40 h B) 44 h C) 38 h D) 20 h E) 22 h
Time at which they meet at starting point   = LCM of 2, 4 and 5.5   = 44 h   Answer : 44 h
<result>B</result>
Three runners running around a circular track can complete one revolution in 2, 4 and 5.5 respectively. When will they meet at starting point ?