Question
What distinguish an economic good from a free
good?Solution
Economic good has value in exchange but free good don’t have.
X started to run from point ‘A’ to ‘B’ at a speed of 21 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 18 km/...
A person travels 240 km partly by car and partly by train. He spends 2 hours more traveling by train than by car. The speed of the car is 60 km/h, and t...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 25.5 m/s. Train Q starts from Dehradun to Lucknow at 1:35 pm with an averag...
Ravi drives from city X to city Y at a speed of 40 km/h and returns at a speed of 60 km/h. What is his average speed for the whole journey?
A car travels a distance of 810 meters in 36 seconds. If the speed of the car is reduced by 4.5 meters per second, how much time (in seconds) will it ta...
A man running with the speed of 65 km/hr covers a certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 70 km/h in (x...
Car' A' travels at the speed of 65 km/hr and reaches its destination in 8 hours. Car 'B' travels at the speed of 70 km/hr and reaches its destination in...
How far will 'Neha' travel by the time she catches up to 'Simran', given that 'Neha' starts 75 km behind and moves at 60 km/h while 'Simran' moves at 45...
A boy goes to school with a speed of 70 km/h and comes back with a speed of 55 km/h. find his average speed?
Anshul lives on 15th floor and Keshav lives on 55th floor. Anshul goes up at a rate of 36 floors per minute and Keshav comes down at a rate of 44 floo...
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