Mathematics Past Questions and Answers

The 30 members of a club decided to play a badminton singles tournament. Every time a member loses a game; he is out of the tournament. There are no ties. What is the minimum number of matches that must be played to determine the winner?

The trader bought 100 oranges at 5 for N1.20, 20 oranges got spoilt and the remaining was sold at 4 for N1.50. Find the percentage gain or loss.

Calculate the mean 9,3,7,5,6 ____________

Find the missing sequence number 1,4,7,10, ____________

Find the median of \(3,6, x, 7,9\) if the mean is \(5.8\) ?