a man is eating a cheese pizza and he is fond of it. during the first day he eats the half of the pizza. on the second day,he eats the 1/3rd of the remaining part of the pizza. the third day he eats 1/4th of what is left and 4th day he eats 1/5th of what still remains. he continues eating pizza in the same process of fraction like on 5th day he eats 1/6th,on 6th day he eats 1/7th of what remains and so on.​