Okay ben is playing a game there are 4 difficulties the easiest difficultie is easy and you can earn two items item a and item b , item A on easiest difficulty is 40 percent chance however there is only a 4 percent chance too get item B
on the second difficulty which is normal diffuclty its a 50 percent chance for ben too get Item A and Item B is 6 percent
in Hard diffuclty 60 percent chance for item A and for item B its 10 percent chance

and for the hardest difficulty item A is 70 percent and for Item B its 15 percent

Out of all 4 difficulties which has a less more likely chance too get item B and NOT item A and also find out how many times ben would have too do diffuclty one repeatedly too get item B and the same for the other 3 difficulties