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λ = v/f = 340/500 =0.68 m
Speed of a car and a bus is 20 km/h and 10 km/h, respectively. If the time taken by the car to cover a distance of ‘9x’ km is 4 hour less than time ...
Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 3:2 respectively. Ajay left the place 42 seconds after Vishal. If af...
In a 500-metre race, ‘A’ beats ‘B’ by 15 seconds or 75 metres. Find the time taken by ‘B’ to finish the race.
A journey over a certain distance takes 4 hours longer when traveling at a speed of 12 km/h compared to traveling at a speed of 16 km/h. Determine the t...
A bike moving at a speed of 240 km/h takes 5 hours to reach the fuel station. If the target must be reached within 80 minutes, at...
A was travelling from point X to point Y. He increased his speed by 18 km/h after every hour. He reached his destination in 20 hours. If his initial spe...
A person crosses a 1800 m long street in 5 min. What is his speed (in km/h)?
A person traveled 140 km in 3 hours. For the first 2 hours, he traveled at 60 km/h. What was his speed during the last hour?
A car travels at a speed of 60 km/h for the first 2 hours, then at 80 km/h for the next 3 hours, and finally at 100 km/h for the last 1 hour. What is th...
A train passes two people who are walking in the opposite direction of the train at the rates of 4 m/s and 10 m/sec in 12 seconds and 10 seconds respect...
