Question
Which gas is responsible for the ozone layer's
depletion?Solution
CFCs break down ozone molecules, leading to the depletion of the ozone layer.
'A' and 'B' are running on a circular track of length 3600 metres. 'A' is running clockwise at 4 m/s while 'B' is running anti-clockwise at 6 m/s. Find ...
Person 'A' left the college at 7 PM at 65% of the original speed. After 30 minutes, he reached the grocery store, picked up a bag...
'A' starts a journey and covers the first half of the total distance at a speed of 15 km/hr. Then, he travels half of the remaining distance at 5 km/hr ...
How much time a train 120 metres long running at the speed of 36 km/hr will take to cross a bridge 130 metres in length?
A train covers a distance of 360 km at the speed of 40 kmph in 10 hrs. If the train halted at a spot in the middle of the journey, for how much time di...
- Tina has to reach the railway station. If she walks at 12 km/h, she is 2 hours late. If she walks at 20 km/h, she reaches 1 hour early. Find the distance b...
Anshul lives on 20th floor and Keshav lives on 57th floor. Anshul goes up at a rate of 36 floors per minute and Keshav comes down at a rate of 38 floo...
In a 900 meter marathon, if Akhil beats Suraj by 150 meters and Suraj beats Puneet by 300 meters, then find the distance by which Akhil beats âCâ.
- How far will 'Arjun' travel by the time he catches up to 'Rohan', given that 'Arjun' starts 150 km behind and moves at 55 km/h while 'Rohan' moves at 35 km...
In a 1500 m race, Anil beats Sunil by 150m, and in the same race, Sunil beats Charles by 75 m. By what distance does Anil beat Charles?
