A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

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

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

What two things can you never eat for breakfast?

What is the word or phrase?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?