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

Can you name an animal whose killing cannot be performed without spilling your own blood?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What does this Rebus Picture mean?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

Our product and our sum always give the same answer. Who are we?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

What does the below image rebus riddle means ?

What two things can you never eat for breakfast?