Latest TCS Aptitude Question SOLUTION: There r ten spots in library and each spot has 4 tables and ten readers ar there . 10 student come into liberary and want 2 study in how many ways that they sit in d liberary so th

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There r ten spots in library and each spot has 4 tables and ten readers ar there . 10 student come into liberary and want 2 study in how many ways that they sit in d liberary so that no chair would be blank?

Solution

Ten spot * 4 Seat in every spot = 40 seat
10 persons are present already and 10 students come so total persons = 20
how 20 persons can fill 40 seats
so answer will be 0

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Asked In TCS Deependra Chauhan (12 years ago)

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