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Pioneered quick-freezing techniques, revolutionizing food preservation.
It takes 12 hours less to travel from point 'C' to point 'D' at a speed of 50 km/h than it takes to travel the same distance at 20 km/h. If 50% of the d...
If a car runs at 30 km/hr, it reaches its destination late by 15 minutes but if runs at 45 km/hr it is late by 7 minutes. What is the correct time for t...
A train 120 m long crosses another train 150 m long, coming from the opposite direction, in 10 seconds. If the speed of the first train is 54 km/h, find...
A person 'X' covered a distance of 'd+40' kilometers at a speed of 40 km/h, another distance of 'd' kilometers at a speed of 15 km/h, and a third distan...
A boy goes to school with a speed of 60 km/h and comes back with a speed of 40 km/h. find his average speed?
Vicky and Vikram start running simultaneously around a rectangular track of length 500m from the same point at speeds of 30 km/hr and 20 km/hr. When wil...
Average speed of ‘A’ during a 20-hour journey is 30 km/h. If he covered the first 240 km of his journey at a speed of 20 km/h, then find the speed a...
Excluding the Stoppages i.e. Non-stop, the speed of a Bullet train is 810 km/h and including the stoppages, it is 720 km/h. Calculate for how many minut...