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The minimum distance required for an echo to be heard is 17.2 meters at a temperature of 22 degrees Celsius, with the speed of sound in air being approximately 344 m/s.
Speed of a car and a bus is 30 km/h and 18 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
A person covers a certain distance by car, driving at the speed of 90 kmph and returns back to the starting point, riding on a bike at the speed of 60 k...
A bus was travelling from Jaipur to Udaipur was delayed by 15 minutes and made up for the delay on a section of 85 km travelling with a speed 12 km per ...
Two trains start at the same time from A and B and move towards each other at the rates of 10km/h and 27 km/h, respectively. When they meet, it is found...
Raj travels a certain distance at a certain speed in a certain time. However, if he had decreased his speed by 12 km/h, he would ...
A car travels a distance of200 km at the speed of 50 kmph. If it covers the ne×t 160 km of its journey at the speed of 80 kmph and last 80 km of i...
A cyclist moves at 25 km/h to reach a checkpoint on time. If the speed is increased to 30 km/h, the cyclist will arrive 12 minute...
Walking at 3/ 4 of his usual speed, a man is 1 1/ 2 hr late. His usual time to cover the same distance (in hours) is?
X started to run from point ‘A’ to ‘B’ at a speed of 22 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 23 km/...
