This week we have another puzzle that is extremely easy to state, but much trickier to solve.
What is the missing number represented by the question marks?
16 06 68 88 ?? 98
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