Map scale is 1:5000000. Two cities are 3 cm apart on map. Actual distance is

Devesh can cover a certain distance in 1 hour 24 minutes by covering two-third of the distance at 6 km/hour and the rest at 7 km/hr. Calculate total distance.

Two trains A and B started from stations P and Q respectively towards each other. Train A started at 7 p.m. at a speed of 60 km/hr and train B started at 4 a.m. (next day) at a speed of 90 km/hr. The…

Two cars start towards each other from 160 km apart. Speeds 50 km/h and 30 km/h. After how long will they meet?

Walking at the rate of 4 km/h a man covers a certain distance in 2 hours 45 min. Running at a speed of 16.5 km/h, the man will cover the same distance in

Average speed for half distance at 20 m/s and half at 30 m/s