The function P is defined as "to each person on the earth is assigned a date of birth." is this a function one-one? Give reason.

A person plays a game of tossing a coin thrice. For each head, he is, given Rs 2 by the organiser of the game and for each tail, he has to give Rs. '1.50' to the organiser. Let 'X' -denote the amount gained or lost by the person. Show that 'X' is a random variable and exhibit it as a function on the sample space of the experiment.

Write a function on R which is onto but not one-one.

Which one of the following is a path function?

Liver is the largest gland and is associated with various functions, choose one which is not correct