Question

Please gi e correct answer plz ​

Answer 1

Answer:

25km/hr

Step-by-step explanation:

Total distance travelled = length of train + length of tunnel

therefore , distance travelled= 210m+90m =300m

time taken = 12sec

$speed \: = \frac{distance \: travelled}{time \: taken} \\ = \frac{300}{12} = 25 \frac{km}{hr}$

Answer 2

Answer:

25km/hr is the answer to your question

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