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Suppose that the reliability of a COVID test is specified as follows:
Of people having COVID, 90% of the test detect the disease but 10% go und...
A football team plays 60 matches in a tournament. Where 5 points are given to a team for winning a match and 2 points are subtracted for losing every ...
What is the average number of passengers travelling in general class, sleeper class by both the trains?
In Delhi Public School, what is the respective ratio between the total number of participants (both boys and girls) who participates in ‘Tennis’ and...
If O is the origin and the coordinates of P are (2, 3, −4), then find the equation of the plane passing through P and perpendicular to OP.
What is the number of Astronauts who were going to only one of the mission?
By what percent the number of nuclear bombs that America had was less than that of Russia after 20 years?
If the ratio of the cost of a ticket of general class to that of first class is 2 :3, then find the ratio of the revenue earned from general class and...
Find the approximate value of (81.5)1/4
In an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 8 candidates and 5 members are to be c...