There is one four-digit whole number n, such that the last four digits of n2 are the original number n

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Which alphabet is a part of our body?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

What has a bottom at the top?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

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.