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Elasticity of demand is the responsiveness of the quantity demanded of a commodity to changes in one of the variables on which demand depends, in other words, it is the percentage change in quantity demanded divided by the percentage in one which the demand depends.
A train covers a distance of 40 km at the speed of 30 km/h the next 33 km distance covers with a speed of 44 km/h and last 80 km with the speed of 64 km...
The speeds of the three cars are in the ratio of 4: 3: 5. The ratio of respective time taken by these cars to travel the same distance is:
Sumit covered a distance of 1000 km in 5 hours on a bike. How much distance will he cover on a bicycle in 7 hours if he rides the bicycle at 2/5th<...
A and B are travelling towards each other with a speed of 30 km/hr and 40 km/hr. They started at same time and A covered 30 km less distance than B befo...
In a 1500-metre race, 'Sahil' beats 'Rohan' by '300' metres and 'Kabir' by '450' metres. If 'Rohan' and 'Kabir' participate in a 700-metre race, and 'Ka...
A man first travels 140 km at 70 km/hr and next 140 km at 35 km/hr. The average speed for the first 280 km of his travelling is:
A man running with the speed of 55 km/hr covers a certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 60 km/h in (x...
A man travels some distance at a speed of 20 km/hr and returns at a speed of 15 km/hr. If the total time taken by him is 3 hrs 30 min, the distance is
Time taken by a boat to travel certain distance in upstream direction is twice the time taken by the boat to cover same distance in downstream direction...
Ravi planned to cover a distance of 150 km by train. But due to a technical issue, the speed of the train dropped by 25%, and he reached his destination...
