Find out the missing number in the picture attached:

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

What is the difference between a jeweller and a jailer?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Give it food and it will live; give it water and it will die.

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?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.