Which Indian cricketer is known as "Brown Bradman"?
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The distance of the first modern Olympic Marathon in 1896 was 40 km (24 miles 85 yards), so why, at the 1908 it changed?
What appeared in the Netherlands in 1608, developed by Hans Lippershey, Zacharias Janssen and Jacob Metius..............
The Dominican Republic and Haiti are the two countries that occupy which island?
In 1848, Mexico ratified the Treaty of Guadalupe Hidalgo, officially ceding what to the USA?
What is sargassum?
John doed not smoke. Ali does not smoke. Re write using neitner.. Nor
Which nation produces the most coffee beans?
It is believed that which building stands on the site of temples built successively by Micah, Zerubbabel................
A fair coin is tossed until a head comes up for the first time. What is the probability of this happening on an odd number tosses?
Required Probability = 1/2(First coin turns heads) + 1/2^3 (third coin turns heads) + 1/2^5(Fifth coin turns heads + ..........
Required Probability = 1/2 + 1/2^3 + 1/2^5 + 1/2^7 + 1/2^9 ........
Required Probability = 1/2(1-(1/4)) = 2/3.
A tosses a fair coin 50 times. B tosses another fair coin 51 times. What is the probability that B got more heads than A?
Sachin has two coins, one of Rs. 1 denomination and the other of Rs. 2 denomination. He tosses the two coins simultaneously. What is the probability that he gets at least one head?
A coin is randomly thrown on an infinite square grid. What is the probability that the coin does not touch the grid lines?
Diameter of coin : 1cm
Width of square grid : 2cm
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