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Which of the following trains is the fastest ?
Answer & Solution
Correct Answer:
Option
D
$$\eqalign{
& 25{\text{ m/}}\sec : \cr
& = \left( {25 \times \frac{{18}}{5}} \right){\text{km/hr }} \cr
& = 90{\text{ km/hr}} \cr
& {\text{And, 25 m/}}\sec : \cr
& = \left( {25 \times 60} \right){\text{ m/}}\sec \cr
& = 1500{\text{ m/}}\sec \cr} $$
So, all the three speeds are equal.
So, all the three speeds are equal.
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