Can you find a number that lies one third of the distance between 1/3 and 2/3?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Buy me, smell me or deliver me, I do not change.

Who am I?

how come the second man dies?

How can you tell a raw egg from a hard-boiled egg?

How many times can you subtract the number two from the number fifty?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Before Mount Everest was discovered, what was the highest mountain in the world?