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IIT Question BankIIQuestions from previous years' IIT Entrance Examination (Indian Institute of Technology) is divisible by 24 for all n>0. 3. Prove by mathematical induction that for all positive integers n. 4. A student is allowed to select at most 'n' books from a collection of (2n+1) books. If the total number of ways in which he can select atleast one book is 63, find the value of n. 5. A committee of 12 is to be formed from 9 women and 8 men. In how many ways this can be done if at least five women have to be included in the committee? In how many of these committees (a) the women are in majority? (b) the men are in majority? 6. In how how many ways can a pack of 52 cards be (a) divided equally among 4 players in order? (b) formed into 4 groups of 13 cards each? (c) divided into 4 sets, three of them having 17 cards each and the fourth just one card? Character is who you are when no one is looking. 