Question
The heights of two cones are in the ratio 7 : 5 and
their diameters are in the ratio 10 : 21. What is the ratio of their volumes? (Where Ο = 22/7)Solution
The correct answer is C
A car covered a journey in 10 hours with an average speed of 80km/hr. If it covers initial 30% of distance in 6 hours. Find the speed of car while cover...
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The speed of a train is 72 km/hr and it takes 12 seconds to cross a man. Find the time taken by train to cross a platform if the ratio of the length of ...
Before servicing, a car runs at a speed of 50 km/hr while after servicing, it runs at a speed of 60 km/h. After servicing the car covers a certain dista...
A motor car starts with a speed of 60 km/h and increases its speed after every two hours by 15 km/h. In how much time will it cover a distance of 360 km?
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