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Start learning 50% faster. Sign in nowCarbon dioxide is widely used in fire extinguishers as it can displace oxygen, essential for combustion. CO₂ extinguishers are effective for electrical fires and flammable liquids, as they do not leave residues.
Amrit and Rohan were traveling from point A to point B. Amrit took 72 minutes longer than Rohan to reach point B. Their respective speeds were 50 km/h a...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 24 km/hr and 12 km/hr, respectively. If the distance covered by ‘A�...
The distance between Rahul's house and the gym is 60 km. When travelling at ___ km/h, Rahul reaches the gym at his usual time. However, when he reduces ...
A car running with a speed of 65 km/hr takes 12 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...
The average speed of a bus is 4/5 of the average speed of a car which covers 2000 km in 80 hrs. What is the average speed of the bus?
The ratio of the speed of 'B' to that of 'C' is 1:2. 'B' covers 'I' km in 9 hours and 'C' covers (I + 90) km in 6 hours. Find the time taken by 'D', who...
A thief and a policeman are 80 km apart. The thief is traveling at a speed of 48 km/h, while the policeman is moving at 80 km/h. How far will the police...
Pawan Express is a 300-meter-long train which moves at an average speed of 100 km/hr and crosses a platform in 27 seconds. A man crosses the same platfo...