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

Which tank will fill first?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What does this below rebus puzzle mean?

What's a single-digit number with no value?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

When we see 2 but call 10?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

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