You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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

Move three sticks of the spiral below to form a square.

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

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

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What is harder to catch the faster you run?

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?

What is the word or phrase?