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

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Which country gets ill every time?

Find the last number in the series below:

voN luJ yaM raM ---

10+10 and 11+11 can give you the same answer.

Explain how?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Look at the picture and find out which square is not linked with any of the other squares.

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?