What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What number comes next in this sequence:
7 8 5 5 3 4 4 _

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

The more it dries, the wetter it becomes. Can you tell what it is?

Can you find the mistake in the below statement?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?