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Pencil leads are made of graphite, which is a form of carbon.
A man walking at 4/5 of his regular speed, when a man covers a few distance in 3 hrs more than the time he takes to cover the same distance at his regul...
A car travels from point A to point B at an average speed of 80 km/h. On the return journey from point B to point A, its average speed decreases by 25% ...
Two trains of lengths 120 m and 150 m are moving in opposite directions at speeds of 45 km/h and 30 km/h, respectively. How much time will they take to ...
A car travels a distance of 810 meters in 36 seconds. If the speed of the car is reduced by 4.5 meters per second, how much time (in seconds) will it ta...
John cycles at 10 km/h to reach his destination at 2 PM. If he travels at 15 km/h, he will reach at 12 noon itself. At what speed should he travel to re...
Aman and Bhanu, two friends, started running together at 40 m/s and 18 m/s, respectively, along a circular track in the same direction. How long will it...
The speed of a boat in still water is 8 km/hr and speed of current is 3 km/hr. If time taken to cover a certain distance upstream is 11 hours, then how ...
Before servicing, a car runs at a speed of 45 km/hr while after servicing, it runs at a speed of 90 km/h. After servicing the car covers a certain dista...
A man travels a certain distance at 12 km/h and returns to the starting point at 9 km/h. The total time taken by him for the entire journey 2 (1/3) hour...
