Thallophyte/Algae – are chlorophyll-bearing, simple, thalloid, autotrophic and largely aquatic organisms.
The speed of a bike increases by 4 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 20 km, the find the total distance tra...
A person crosses a 1600 m long street in 4 min. What is his speed (in km/h)?
A train takes 46 seconds to cross the 214 m long bridge. If the same train takes 23 seconds to cross a signal board, tell the length of the train. (In m...
A car is traveling at a speed of 144 km/hr. The car's tires have a diameter of 70 m. How long will it take for the car to complete 12 revolutions of its...
B starts 4 minutes after A from the same point, for a place at a distance of 7 miles from the starting point. A on reaching the destination turns back a...
A train covers a certain distance at a speed of 24 km/h and the next same distance with a speed of 30 km/h and the next same distance with a speed of 40...
Rafique had to cover 540 km in 24 hours. He covered the first 350 km at an average speed of 25 km/h. What should be Rafique's average speed for the rest...
Krishna covers a certain distance by train at 25 km/hr. and the equal distance on foot at 4 km/hr. If the time taken by him for the whole journey be 5 ...
A traveler moves a distance in three intervals. In the first 'u - 15' km, he travels at 20 km/h, in the next 'u' km at 40 km/h, and completes the journe...
In a 250-metre race, ‘A’ beats ‘B’ by 16 seconds or 80 metres. Find the time taken by ‘B’ to finish the race.
