Quantitative Aptitude Ques 956

Question: Philip, Tom and Brad start jogging around a circular field and complete a single round in 18, 22 and 30 s, respectively. In how much time will they meet again at the starting point? [Indian Bank (PO) 2011]

Options:

A) 8 min 15 s

B) 21 min

C) 16 min 30 s

D) 12 min

E) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

  • Required time = LCM of 18, 22 and 30 s $ =990s=\frac{990}{60}\min =16\min 30s $
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