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 that with a neck and no head, two arms and no hands? What is it?

The King of a distant land had heard that Birbal was one of the wisest men in the East and so desired to meet Birbal. He sent Birbal an invitation to visit his country.

In due course, Birbal arrived in the distant kingdom. When he entered the palace he was flabbergasted to find not one but six kings seated there. All looked alike. All were dressed in kingly robes. Who was the real king?

The very next moment he got his answer. Confidently, he approached the king and bowed to him.

How did Birbal know who was the real king?

O_er_t_o_

Complete the missing letters of the given word.

Take away the whole and some still remain. What is it?

What number do you get when you multiply all of the numbers on a telephone's number pad?

What number should come in place of the question mark below?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.