hi, i thought, the ans will be caviar.it's a kind of fish.. coz after cutting the head we can take it to our home for cook.if,we cut the tail, then it vl be taken it as fruit.
There are n people in a company. How to calculate the average salary of these n people without any of them knowing exactly what the others salary is? The average has to be computed only by these n people without any help from another person or computer.