Average Practice Test 6

© examsiri.com

Question : 27 of 40

Marks: +1, -0

A train covers a certain distance from Delhi to Agra at 82 km/h and from Agra to Delhi at 84 km/h. Find the average speed of the train during the whole journey.

89.82 km/h
82.98 km
88.98 km
92.98 km/h
None of these

Solution:

Average speed

={2xy}/{x+y}

km/h

={2×82×84}/{82+84}

km/h

=13776/116

km/h = 82.98 km

© examsiri.com

Go to Question:

Prev Question

Next Question