Approximately what is the average time taken by train D on day 1 and day 2 to cross the platform of ...........

Quantitative Aptitude ( CCS) Mixed Chart

Directions: Following Line Graph represents the uniform speed of Trains (A, B, C, D and E) on two different days in meter per second and the Bar Chart represents the length of each train in meter.

Approximately what is the average time taken by train D on day 1 and day 2 to cross the platform of length 500 meter?

6 Sec

9 Sec

12 Sec

Data Insufficient

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Explanation:

Time= Distance/Speed
Time taken on day 1, t1= (train length + Platform Length)/speed
= (225+500)/200 = 3.6 sec
Time taken on day 2, t2= (train length + Platform Length)/speed
= (225+500)/50 = 14.5 sec
Average time = (t1+t2)/2 = 9 seconds