A

Admin • 831.35K Points
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Q. There are two clocks, both set to show 10 pm on 21st January 2010. One clock gains 2 minutes in an hour and the other clock loses 5 minutes in an hour. Then by how many minutes do the two clocks differ at 4 pm on 22nd January 2010?

  • (A) 126 minutes
  • (B) 136 minutes
  • (C) 96 minutes
  • (D) 106 minutes
  • Correct Answer - Option(A)
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Explanation by: Admin
One clock show 10 pm.

On 21st January 2010 one clock gains = 2 minutes

Other clock loses = 5 minutes

Time period between 10 pm and 4 pm = 18 hours

Therefore, Required difference = (2 × 18 + 5 × 18) minutes = 126 minutes

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