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Express 25 mps in kmph?

  • A.15 kmph
  • B.99 kmph
  • C.90 kmph
  • D.None

Answer: C

\[ 1 \text{ m/s} = \frac{18}{5} \text{ km/hr} \]

\[ 25 \times \frac{18}{5} = 90 \text{ kmph} \]

Going from m/s to kmph the number always grows, since a metre per second is a little over 3.6 kmph - so any option below 25 can be discarded at once.

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