Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

In the picture given below, can you find out which digit will take place of the question mark?

What two things can you never eat for breakfast?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?