Statistics for Can You Count?

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Question	Answer	% Correct
How many squares are there on a standard chessboard?	64	94%
How many months have 28 days?	12	93%
How many white squares are there on a standard chessboard?	32	93%
How many prime numbers are there between 1 and 10?	4	92%
64 men enter a singles tennis tournament. How many matches must be played to determine the winner?	63	89%
How many edges does a cuboid have?	12	85%
How many symmetries does a regular pentagon have?	10	80%
A mystery bag contains lots of red and blue beans. You draw beans one at a time from the bag while blindfolded. What is the minimum number of beans you need to draw to guarantee you will get two beans of the same colour?	3	71%
How many factors does 120 have?	16	61%
Four people race each other in the 100m. How many possible outcomes does the race have? (Assume ties/draws are impossible.)	24	61%
How many different scores are possible when you roll a pair of fair dice?	11	60%
What is the minimum number of randomly chosen people you need to have at a party to guarantee that either three of them are mutual friends or three of them are mutual strangers?	6	55%
How many seconds are there in a week?	604800	55%
Into how many regions do three non-parallel lines divide the plane? (The three lines do not all pass through a common point.)	7	48%
How many different tickets are possible in a lottery where 3 numbers are drawn from the numbers 1 to 8? (The order of the drawn numbers does not matter.)	56	24%