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TN Police SI LCM Applications — practice questions

Explore 1 free LCM Applications questions in TN Police SI Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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LCM Applications questions and exercises with answers

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Alarms from three clocks sound every 2, 4 and 6 hours respectively. If started together, how many times do all three ring together in 3 days?Read the answer and worked solution →

Worked practice questions

Alarms from three clocks sound every 2, 4 and 6 hours respectively. If started together, how many times do all three ring together in 3 days?

  1. 3
  2. 9
  3. 6
  4. 2
Show answer and solution

Correct answer: C. 6

1. The alarms coincide at the LCM of 2, 4, 6 = 12 hours. 2. 3 days = 72 hours. 3. Multiples of 12 within 72 (at 12, 24, 36, 48, 60, 72) = 6 times. _Source: RRB Group D CEN-02/2018 PYQ, Q.96._

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