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60 marks for 4 hours of study. Find constant k: 60 = k× 4 k = 15 Required marks= 75 marks. Find hours h= 75=15x h h= 75/15 h= 5
A man travelled a distance of 47 km in 6 hours. He travelled panly on foot at a speed of 6(1/2) km/h and the rest on bicycle at a speed of 8(1/2)km/h. T...
Ratio of speeds of ‘A’ and ‘B’ is 2:3, respectively. If they participate in a 450-metre race and ‘B’ gives ‘A’, ahead start of ‘m’ m...
A was travelling from point X to point Y. He increased his speed by 12 km/h after every hour. He reached his destination in 16 hours. If his initial spe...
Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 7:6 respectively. Ajay left the place 36 seconds after Vishal. If af...
A was travelling from point X to point Y. He increased his speed by 12 km/h after every hour. He reached his destination in 24 hours. If his initial spe...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 420 km away, then the usual speed of a...
A boy goes to school at 4 km/Hr and return at a speed of 3 km/hr. If he takes 7 hrs in all. Find the distance from his village to school?
Speed of a car and a bus is 20 km/h and 12 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
A ferry takes 75 minutes to row to place B from another place A along the stream. The distance between place A and place B is 37.5 km. If the speed of t...