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Class 11 Mathematics Permutations and Combinations Factorial notationHard

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What will be the highest power of (5) in (25!)?

Answer and explanation

Correct answer: (6)

The exponent is ( \left\lfloor\frac{25}{5}\right\rfloor+\left\lfloor\frac{25}{25}\right\rfloor=6 ). Do not forget higher multiples such as (25).

Related tags

Permutations Combinations Factorial Hard Factorial Notation Permutations And Combinations Mathematics Class 11 Mcq

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