Which Indian cricketer is known as "Brown Bradman"?
What is the name of the engraved stone, discovered in 1799, that provided a key to deciphering the languages............
Empress Matilda ruled England in which century?
What is the curve which surface tension causes in the surface of a liquid close to an object or container?
What food-related substance is extracted from the seeds of the achiote tree (Bixa orellana)?
Who played the longest tennis match at Wimbledon?
Which country invaded Afghanistan on 24 December, 1979?
Global supply chain
Franz Ferdinand, whose assassination triggered World War I, was a member of which family?
Before the capital of Japan was established in present day Kyoto by the Heian Emperor Kanmu in 794 CE, where............
Gears A and D have 60 teeth each, gear B has 40 teeth, and gear C has 20 teeth.
Suppose that gear B makes twenty complete turns every minute,
explain the relative speed of gears A and D
A and D will rotate with same speed
Speed of A/Speed of B = no. of teeth of B/ no. of teeth of A
Speed of A/ 20 = 40/60
Speed of A and D=40/3
Answer Is 40/3
An aeroplane covers its outward journey at 600 kmph.
It returns, over exactly the same distance, at 400 kmph.
What is the average speed of the aeroplane over the entire journey?
The speed of a car is 63 km/hr, if we don't let it stop at any point.
If the car stops at stops, the speed of the car is 54 km/hr.
What is the time in minutes that the car stops for per hour?
A ball is thrown upwards with speed v from the top of a tower and its reaches the ground with speed 3v.
What is the height of the tower?
A helium balloon leaves the ground at a point A and rises vertically at uniform speed.
At the end of 5 minutes, Rohan finds the angular elevation of the balloon as 30 degree.
If the point at which Rohan is standing is 550 m away from point A, what is the speed of the balloon in m/s?
A motor-boat is going up a river at a speed of 14.4 kmph, when its pilot sights a drifting boat which is 234 meters distant and reaches it after 52 seconds.
What is the speed of the stream?
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