If eleven plus two equals one, what does nine plus five equal?

The more it dries, the wetter it becomes. Can you tell what it is?

Find the next number in the series below

21 32 54 87 131 ?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

You can hear me, but you can't touch or see me.

What am I?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

What do you see in the given picture?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?