Permutation & Combination Quiz containing 8 GMAT like questions of varying difficulty levels is now ONLINE. This quiz has been carefully designed to test most of the common P&C question types asked in GMAT. The quiz can be found at: https://egmat.articulate-online.com/8341951895 Simply click on the link above and get going! Please note that this quiz will be open for the first 30 responders only.

rsadana1 wrote:Permutation & Combination Quiz containing 8 GMAT like questions of varying difficulty levels is now ONLINE. This quiz has been carefully designed to test most of the common P&C question types asked in GMAT. The quiz can be found at: https://egmat.articulate-online.com/8341951895 Simply click on the link above and get going! Please note that this quiz will be open for the first 30 responders only. is it possible to know the levels of question.... i got 2 wrong , how to knw the level of those 2 questions

The first 3 questions are easy, next 3 are medium difficulty level and last 2 are most difficult.

rsadana1 wrote:Permutation & Combination Quiz containing 8 GMAT like questions of varying difficulty levels is now ONLINE. This quiz has been carefully designed to test most of the common P&C question types asked in GMAT. The quiz can be found at: https://egmat.articulate-online.com/8341951895 Simply click on the link above and get going! Please note that this quiz will be open for the first 30 responders only. can anybody show explanation for this question? I did untoast: 4x15x5x5x4 toast: 4x15x5x4 7200. apparently I did something wrong.. anyone?

Since atleast 4 vegetables variety has to be selected: So, NT1=>Non toasted sandwiches with 4 vegetable toppings. NT2=>Non toasted sandwiches with 5 vegetable toastings. NT3=>toasted sandwiches. So, NT1 = 4*15*1*5*4 = 1200 NT2 = 4*15*5*5*4=6000 NT3 = 4*15*1*5*4 = 1200. So total = 1200+6000+1200 = 8400.

this_time_i_will wrote:Since atleast 4 vegetables variety has to be selected: So, NT1=>Non toasted sandwiches with 4 vegetable toppings. NT2=>Non toasted sandwiches with 5 vegetable toastings. NT3=>toasted sandwiches. So, NT1 = 4*15*1*5*4 = 1200 NT2 = 4*15*5*5*4=6000 NT3 = 4*15*1*5*4 = 1200. So total = 1200+6000+1200 = 8400. since at least 4 and 5 vegetable is two whole new tries.. got it thanks