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Start learning 50% faster. Sign in nowThe speed of sound in air depends on the density of air and the density of air depends on the temperature. The speed of sound is unaffected by pressure. If the atmospheric pressure changes, the speed of sound in air remains constant.
A can do a job in 24 days, while B can do the same job in 30 days. They started the work together, but A left after 6 days. In how many more days will B...
Anshul lives on 18th floor and Keshav lives on 53th floor. Anshul goes up at a rate of 34 floors per minute and Keshav comes down at a rate of 36 floo...
A car travels 50 km at a speed of 25 km/h and the next 80 km at a speed of 40 km/h. What is the average speed of the car for the entire journey?
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...
The average speed of a bus is half the speed of a train. The train covers 5200 km in 13 hours. How much distance will the bus cover in 36 minutes?
The speeds of Car 'A' and Car 'B' are 25 km/hr and 45 km/hr, respectively. If Car 'A' covers a distance that is 36 km shorter tha...
Two men start together to walk a certain distance, one at 4 km/h and another at 3 km/h. The former arrives half an hour before the latter. Find the dist...
Travelling at a speed of 54 km/h, Chaman reaches a place 3 minutes early. If he had travelled at a speed of 48 km/h, he would have been 1 minute late. W...
Anshul lives on 19th floor and Keshav lives on 46th floor. Anshul goes up at a rate of 24 floors per minute and Keshav comes down at a rate of 30 floo...
