Which Indian cricketer is known as "Brown Bradman"?
Who won three long distance races including the marathon at the Olympic Games held at Helsinki in 1952?
Geologically speaking, where would you go to stand on land at the southernmost point of the North American..............
What is a doosra?
The small eggs in Ahuahutle, also known as Mexican caviar, come from…?
Symptoms of what disease include fever, shivering, joint pain, vomiting, anaemia, hemoglobinuria, retinal damage........
To which astronomer and cosmologist is what became known as the "big bang theory", the currently leading................
Bikram Choudhury is associated with what activity?
What river is dammed by the Three Gorges Dam?
The Manhattan Project, led by the USA and including scientists from the UK and Canada, was the codename................
Naina and Eesha, track stars with superb hearing, ran as fast as they could to catch up to the ice cream truck in the next town over.
They averaged 6 kms per hour, then rested to enjoy their ice cream.
They averaged 4 kms per hour over the same distance on the way back.
Not counting the time they rested, What was their average speed?
If the distance is x, then they spent x/6 hrs on one direction and x/4 hrs on the way back
Total distance= 2x
Total time= x/6+x/4= 5x/12
Average speed= 2x: 5x/12= 24/5= 4.8 km/h
A racing driver drove around a 6 km track at 140 km/hr for 3 km, 168 km/hr for 1.5 km and 210 km/hr for 1.5 km.
What was his average speed for the entire 6 km?
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?
A car covers its outward journey at 66 mph.
It returns, over exactly the same distance, at 33 mph.
What is the car's average speed over the entire journey?
Early one morning a family travelled to a shopping centre at 35 km/h.
After a day of Christmas shopping they returned, over exactly the same distance, at a crawl of only 14 km/h.
What was their average speed over the entire journey?
On a journey, across Bangalore, a cab averages 12 kmph for 60% of the distance, 15 kmph for 20% of it and 30 kmph for the remainder.
What is the average speed for the whole journey?
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