25. In a college, th of the students like basketball, th of the remaining
students like football and th of the remaining like cricket. What is the total
number of students in the college if the number of students who don't like
any game is 210?
(A) 385
(B) 275
(C) 425
(D) 375
(E) None of these

answer: what does th mean?

Step-by-step explanation:

amount of oatypop that contains the prize = 40%

amount   of oatypop which doesn't contain the prize = (100-40)=60%

probability that hannah will win a prize

    = s +f s +f f s+ff   f s+ff f f s+ infinity.where f= failure,s= success

=   or 60%

probability that hannah only has to buy 3 or less boxes before getting a prize= (s) and ( f s) and (ff s) and (f f f s)

        = = 87.04 %  

step-by-step explanation: