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A boy goes to school with a speed of 45 km/h and comes back with a speed of 30 km/h. find his average speed?
The speed of a bike increases by 3 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 25 km, the find the total distance tra...
A train 250 meters long crosses a platform in 20 seconds at a speed of 72 km/hr. How much time will it take to cross another train 300 meters long, runn...
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...
In a 2000-metre race, 'Aarav' beats 'Dev' by '400' metres and 'Ishaan' by '600' metres. If 'Dev' and 'Ishaan' participate in an 800-metre race, and 'Ish...
Ratio of speeds of ‘A’ and ‘B’ is 3:5, respectively. If they participate in a 400-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
A superbike takes 84 minutes to cover 112 km. If the speed of the superbike is decreased by 20 km/h, then find the time taken by the superbike to cover ...
The speeds of 'Pawan' and 'Qureshi' are in the ratio of 8:5. If the total time they take to individually cover 400 km each sums up to 65 hours, what is ...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 20 km/hr and 15 km/hr, respectively. If the di...
The average speed of a bus is half the speed of a train. The train covers 5200 km in 13 hours. How much distance will the bus cover in 36 minutes?