At what angle are the hands of a clock inclined at 20 minutes past 7?

 

  • Option 1)

     

    80°

     

  • Option 2)

     

    70°

     

  • Option 3)

     

    100°

     

  • Option 4)

     

    120°

     

  • Option 5)

     

    90°

     

Answers (1)

Formula to calculate angle = (11m/2) - 30h

Where, m = minute & h = hour

So, Angle when the time is 20 Minute past 7 = (11 x 20/2) - 30 x 7 => 110 - 210 => -100

Ignore the negative sign.

Then, angle = 100

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