Before Mount Everest was discovered, what was the highest mountain in the world?
The more of this there is, the less you see. What is it?
How many letters are in the alphabet?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log. Can you calculate the weight of the entire wooden log?
If an electric train is travelling south, then which way is the smoke going?
Pronounced as one letter, And written with three, Two letters there are, And two only in me. I am double, I am single, I am black blue and grey, I am read from both ends, And the same either way.
I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?
It comprises roots which nobody sees, Much taller than those trees, Up and up it goes, Still it never grows?
If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?
How many times can you subtract the number 5 from 25?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.
