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

who is silent in the parliament?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Find the hidden tiger in the given optical illusion ?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Which country gets ill every time?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.