They would fire the bullets together at the target in an hour is :

Five persons fire bullets at a target  at an interval of 6, 7, 8, 9 and  12 seconds respectively. The number of times they would fire the bullets together at the target  in  an hour is

  1. 6
  2. 7
  3. 8
  4. 9

 

Anurag Mishra Professor Asked on 13th February 2016 in Maths.
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Answer: (2)  7

Anurag Mishra Professor Answered on 13th February 2016.
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