Question

5. The speed of a moving car is 20m/s. Calculate its speed in km/h.
(a) 18
(c) 54
(c) 54
(d)72​

Answer 1

Answer:

Speed = 20m/s

Speed in km/h=

$\large 20 \times \huge \frac{5}{18} = 5.5556 \: km/h$

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Answer 2

Answer:

speed in m/s = 18/5 × speed in km/hr

speed in km/hr = 20 × 5/18

100/18 is that answer