I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Rearrange the letters in "new door" to make one word.

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?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

You need to move three matchsticks to form three squares. Can you do it?

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

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits