If the difference between the speed of Saurabh and Sanjay is 55 km h and time taken by both is...........

Quantitative Aptitude ( CCS) Time & distance

Direction: Study the following pie-chart and table carefully and answer the questions that follow:
Some values are missing. Answer the questions on the basis of given table and information in question.

Person	Speed	Time
Suhail	60 km/h	300 min.
Sunil	-	-
Saurabh	-	4 hour
Sanjay	-	-
Sumit	50 km/h	-

If the difference between the speed of Saurabh and Sanjay is 55 km/h and time taken by both is 14 km to cover the given distance. What will be time taken by Sanjay to cover the distance of 250 km.

6.25 hour

5 hour

5.25 hour

7.5 hour

None of these

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Explanation:

Saurabh's speed = 2400 x 57⁰/360⁰x 4 = 95 km/h
Time taken by Saurabh is given that is 4 hours.
So time taken by Sanjay is 10 hours.
If the Speed is 95+55 = 150 km/h
Then distance = 150×10 = 1500 km.
But this is not possible because the distance travel by Sunil and Sanjay is 1100 km.
If the distance is 95-55 = 40 km/h
Then distance = 40×10 = 400 km.
So the speed is 40 km/h
Time taken to cover the distance of 250 km = 250/40 = 6.25 hour