What is a common emission from combustion engines used in transportation?
Combustion engines used in transportation, especially vehicles, emit carbon monoxide, a harmful gas that can pose health risks.
Average speed of ‘A’ during a 20-hour journey is 24 km/h. If he covered the first 320 km of his journey at a speed of 20 km/h, then find the speed a...
As observed from the top of a light house, 120 √3 m above the sea level, the angle of depression of a ship sailing towards it changes from 30°...
B and C are standing on point Q and P respectively, which are 300km apart. A starts moving to and from between Q and P at 25km/hr while A starts moving ...
A bus starts running with the initial speed of 6 kmhr and its speed increases every hour by certain amount. If it takes 14 hours to cover a distance of ...
A passenger train takes 3 hours less for a journey of 180 km, if its speed is increased by 2 km/hour from its usual speed. Find the usual speed of the t...
Gaurav works at SBI Whitefield Office. On the first day to work, he drove at 40 km/h but was late to the bank by 18 minutes. The next day he drove at 50...
A train 'B' speeding with 100 kmph crosses another train C, running in the same direction, in 2 mins. If the length of the train B and C be 150m and 250...
Ram makes four trips of equal distances. His speed on first trip was 120 km/hr and in each subsequent trip his speed was half of the previous trip. What...
A Bus moving at a speed of 's' km/h can pass a stationary person in 16 seconds and a tunnel Bridge that is 240 meters long in 28 seconds. Determine the ...
<p><p>If a wheel covers a distance of 880 m in 40 rotations, then the diameter of the wheel is?</p></p>
