In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I have an eye but still cannot see.

Who am I?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Replace the question mark with the correct number in below Picture:

What kind of band never plays music?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?