There is a bag containing one thousand balls - yes, it will be a big bag! Each of the balls is numbered like lottery balls, from one to one thousand.
If two balls are drawn at random, is the probability of the sum of the numbers on the two balls being even . . .
Greater than the sum being odd?
Less than the sum being odd?
The same as the sum being odd?
As usual you can post your suggested answers as a comment on this website, reply to the post on Facebook or Instagram, or retweet or reply on X (formerly Twitter) @quizmastershop.
Answer at 9.00 on Monday