Question
Any straight-line supply curve that intersects the
vertical axis above the origin has an elasticity of supplySolution
- A cyclist covered a distance in two parts: first 1.5 hours at 32 km/h and then 2.5 hours at 48 km/h. What was the average speed for the complete journey?
A motor-cycle covers 100 km with a speed of 40 km/hr. find the speed of the motor-cycle for the next 100 km journey so that the average speed of the who...
A train travels from station ‘P’ to station ‘Q’ at a constant speed. If its speed was increased by 20 km/h, it would have taken 1 hour less to c...
A train covers a certain distance at a speed of 48 km/h and the next same distance with a speed of 60 km/h and the next same distance with a speed of 80...
The speed of a car is 20% more than that of a bike. Both of them start from a same point. After travelling for 10 hours, the speed of the bike is increa...
Find the distance travelled (in km) by the truck to reach point B from point A, if a car cover 45% the same distance in 2 hours 42 minutes and a truck c...
Two cars A and B travel from one city to another, at speeds of 72 km/hr and 90 km/hr respectively. If car B takes 1 hour lesser than car A for the jour...
Two individuals, A and B, are walking. Person A takes 1 hour longer than person B to cover a distance of 84 km. However, if person A doubles their speed...
Ravi travels from point ‘P’ to point ‘Q’. If he drives at 72 km/h, he reaches 40 minutes early. If he drives at 48 km/h, he reaches 50 minutes l...
If the diameter of a sphere is 42 cm, find the total surface area of the sphere.
