There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Rectify the following equality 101 - 102 = 1 by moving just one digit.

If 21x = 79x, what is the value of x?

Can you find out the missing number in the grid?

What is the next number in this series?

4,12,84,3612....

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

Can you find out the number of the parking space in which the car is parked?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

What jumps when it walks and sits when it stands?