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 one year ago
A classroom has 26 rows (From A to Z), each row is divided in three columns and each column has five seats. To enter in the class, four doors (D1, D2, D3 and D4) are available and reaching up to the door two stairs (LH & RH) are available. A student wants to take the seat in the row C, F or P and then in how many ways he can get the seat.
 one year ago
A classroom has 26 rows (From A to Z), each row is divided in three columns and each column has five seats. To enter in the class, four doors (D1, D2, D3 and D4) are available and reaching up to the door two stairs (LH & RH) are available. A student wants to take the seat in the row C, F or P and then in how many ways he can get the seat.

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OpenSessame
 one year ago
Best ResponseYou've already chosen the best response.0There are four doors and and two stair cases to each door, correct?

OpenSessame
 one year ago
Best ResponseYou've already chosen the best response.0You would use a permutation equation to solve this if I am reading this question correctly.

dg2
 one year ago
Best ResponseYou've already chosen the best response.0yes how to do, 26*15=390 c=15 ,p=15,f=15 so 45/390

OpenSessame
 one year ago
Best ResponseYou've already chosen the best response.0Think about every step.

OpenSessame
 one year ago
Best ResponseYou've already chosen the best response.0First you must choose which stair case, there are 8. Then which door, 4 and so on.

OpenSessame
 one year ago
Best ResponseYou've already chosen the best response.0dw:1389783816216:dw Remember this too

OpenSessame
 one year ago
Best ResponseYou've already chosen the best response.0i thought it was 2 stairs for every door sorry!

dg2
 one year ago
Best ResponseYou've already chosen the best response.02 staircase,4 doors,15 seats for each row

dumbcow
 one year ago
Best ResponseYou've already chosen the best response.1yes however there are 3 rows (C,F,P) possible which means there are 45 seats to choose from > 45*4*2 = 360

dg2
 one year ago
Best ResponseYou've already chosen the best response.0whether it is correct r not how to check
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