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Case study 2: Sundar went for …

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Case study 2: Sundar went for a picnic with his family. While travelling in a bus, he missed his case. But he made a lock with 6 digit code in sulcase. After some time he got his suitcase But forgot that key to unlock. But he knows two digits are repeating 888 Based on the above information, answer the following questions (1) In how many ways he needs to identify the lock code? (ii) He knows that first digit is 3, then how many ways to find the code. (iii) Write the number of permutations (a) if repetition is allowed (b) if repetition is not allowed

    • Posted by Siddharthi S 1 year, 8 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
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