the ans is 7 according 2 scanner .. i 2 accept it
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Permutation & Combination? Very Urgent.......
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Can you please explain me how did u get 7 as ans..?
| Originally posted by : Deepak | ||
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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 |
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Hi girish this the right ans.
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