She couldn't find the 10 key.
He managed to find mates named Matthew, Mark, Luke and John hanging around in the Middle East.
She couldn't find the recipe.
Just ice.
He stopped at 239 because if he added another one it would be 'too farty'. It would've been funnier if I could do an Irish accent.
Because 7, 10, 11!
A wind tunnel.
A Hairy Reasoner. (Andy Rooney used to enjoy this one)
A chronic math debater