According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When the man jumps from a boat, he applies force on the boat due to which boat moves backward. An equal force is exerted by the boat on the man which helps the man to jump out of the boat.
Vicky and Vikram start running simultaneously around a rectangular track of length 500m from the same point at speeds of 30 km/hr and 20 km/hr. When wil...
In a 1200 m race, bike A beats bike B by 100 m. bike B beats bike C by 100 m in a 600 m race. If bike A beats bike C by 30 sec in a 720 m race, then wha...
A is cycling at an average speed of 15 km/hr such that he can reach a certain point at 12 noon. If he cycles at 30 km/hr, then he will reach the destina...
The ratio of the speed of two bus P and Q is 4 :7. If P takes 180 minutes more than Q to cover a certain distance, the find then actual time taken by Q ...
A and B are travelling towards each other with a speed of 70 km/hr and 80 km/hr. If they started at same time and A covered 30 km less distance than B b...
The speed of a bike increases by 6 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 30 km, the find the total distance tra...
The average speed of a car, a bus and a train together is 117 km/hr. andn ratio of their speed is 2 :4: 7. What is the average speed of a train and the ...
A car running with a speed of ‘x’ m/sec makes 9 rounds of a circular field having radius 49 metres, in 12 seconds. Find the time taken by ca...
X started to run from point ‘A’ to ‘B’ at a speed of 25 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 15 km/...
Abhishek, Yogesh and Sumit start from the same place and travel in the same direction at the speed of 40 km, 60km and 90km per hour respectively. Yoges...