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The correct answer is D
A was travelling from point X to point Y. He increased his speed by 16 km/h after every hour. He reached his destination in 18 hours. If his initial spe...
A man first travels 160 km at 24 km/hr and next 160 km at 40 km/hr. The average speed for the first 320 km of his travelling is:
How many seconds will a boy take to run one complete round around a square field of side 38 metres, if he runs at a speed of 6 km/h?
A and B are travelling towards each other with a speed of 15 km/hr and 30 km/hr. If they started at same time and A covered 25 km less distance than B b...
If a person walks at (2/3) of his normal speed, he arrives at his office 30 minutes late. What is the usual time taken by him to ...
A can complete a task in 20 days, and B can complete the same task in 25 days. If A works for 6 days and then leaves, in how many days will B complete t...
A train traveling at a speed of 72 km/h takes 15 seconds to cross a pole. If the same train crosses a platform in 40 seconds, find the length of the pla...
Anju's journey comprises three segments. He travels the first 'd - 30' km at a speed of 12 km/h, the next 'd' km at a speed of 30 km/h, and finally, she...
A car completes a journey in 6 hrs with a speed of 50 km/hr. At what speed must it travel to complete the journey in 10 hrs?