Evaluate:Is 7! - 5! equal to 2!? from Mathematics Permutations
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    Permutations and Combinations

    Multiple Choice QuestionsShort Answer Type

    41. Find L.C.M. and H.C.F. of 2 x 2!, 4! and 3 x 5!
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    42.

    Show that :

    space space space space space space space fraction numerator left parenthesis 2 straight n right parenthesis factorial over denominator straight n factorial end fraction space equals space left square bracket 1 times 3 times 5 times........... space left parenthesis 2 straight n minus 1 right parenthesis right square bracket 2 to the power of straight n

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    43. Prove that n! + (n + 1)! = [n + 2] x n !
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    44. Show that 216 divides 32!. Also, find the largest value of n for which 32! is divisible by 2n. Or What is the largest power of 2 contained in 32!
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    45.

    Evaluate:

    7!

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    Answer
    46.

    Evaluate:

    5!

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    Answer
    47.

    Evaluate:

    7! - 5!

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    Answer
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    48.

    Evaluate:

    Is 7! - 5! equal to 2!?

    Solution not provided.

    Ans.No.

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    49.

    Compute:

    fraction numerator 7 factorial over denominator 5 factorial end fraction

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    Answer
    50.

    Compute:

    fraction numerator 12 factorial over denominator 10 factorial space 2 factorial end fraction

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    Answer
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