Six cards and six envelopes are numbered 1, 2, 3, 4, 5, 6 and car | Filo
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class 11

Math

Algebra

Permutations and Combinations

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Six cards and six envelopes are numbered 1, 2, 3, 4, 5, 6 and cards are to be placed in envelopes so that each envelope contains exactly one card and no card is placed in the envelope bearing the same number and moreover cards numbered 1 is always placed in envelope numbered 2. Then the number of ways it can be done isa. b. c. d.

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