Lack of hair :)
I am bushy-headed yet I have no hair. I have no eyes but have seen many a year. Moisture cannot penetrate my flaky skin but it's really good at keeping it in. What am I?
A person allows a 10% discount for cash payment from the marked price of a toy and still he makes a 10% gain. What is the cost price of the toy which is marked Rs. 770 ?