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NDA2013MathematicsTrigonometric Ratios & IdentitiesActual

If d is the number of degrees contained in an angle, m is the number of minutes and s is the number of seconds, then the value of (s-m) /(m-d) is

Options

  1. A1
  2. B60
  3. C1 / 60
  4. DNone of these

Correct answer

B. 60

Step-by-step solution

aligned & m=60 d & s=60 m & s-m m-d = 60 m-60 d m-d =60 aligned

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