Can you count the number of blocks in the picture below?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

81 x 9 = 801. What must you do to make the this equation true?

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

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

How can a man go eight days without sleep?

what does the below rebus means?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Which part of London exists in France as well ?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?