CSIR NET
Chashokreddy18@gmail.com Tiwari Asked a Question
April 4, 2020 4:32 pmpts 30 pts
  • CSIR NET
  • Mathematical Sciences

In this problem, for required no.of times,which formula is used?

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  • Ujjawal vishal Best Answer
    in question there should be 30 hrs instead of 30 minutes. Now, with the LCM technique we know that rings bell simultaneously (together) after every interval of 2 hours. That means...
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