Permutation & Combination? Very Urgent.......

Page no : 2

(Guest)

the ans is 7 according 2 scanner .. i 2 accept it


Girish K (Senior Accounts Executive)   (218 Points)
Replied 31 January 2011

Can you please explain me how did u get 7 as ans..?



(Guest)
Originally posted by : Deepak
In 1st light point all 5 bulb will b tested and in other light point only 2 bulb which are good will b tested. Total (5+2) 7 trials

Hi girish this the right ans.



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