If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

What am I?

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

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

When it's bad luck to meet a black cat?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?