After consuming such fishes, many posions can also enter the human body from the body of the fish and get stored in different organs (like liver, brain, heart, lungs etc.)

Find out the sources from which mercury can enter the human body.

From which of the chamber of human heart oxygenated blood is transmitted to different parts of the body ?

A fair coin is tossed four times, and a person win Re 1 for each head and lose Rs 1.50 for each tail that turns up. From the sample space calculate how many different amounts of money you can have after four tosed once. Find the probability of getting.