What always comes into a house through the keyhole?

Where do fish keep their money?

Who has married many women but was never married?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

I make two people out of one. What am I?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

You can win me and lose me but never buy me
You can not eat me and never want to part with me
I can make you cry or bring you joy
I am not a machine and definitely not a toy
You keep me but i am not forever just yours
You might find me in a case or on a shelf next to a vase
I am hard and i am tall if you bump me i am sure to fall
I am made of different materials and am at many events
If your lucky and fight hard I might be yours
What am I ?

I am the fastest animal but cannot climb the tree. What am I?