Class/Course - Class XII
Subject - Math
Chapter - Probability
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| Q.1 Six cards and six envelopes are numbered 1,2,3,4,5 and cards 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 the card numbered 1 is always placed in envelope numbered 2. Then the number of ways it can be done is | |
| 264 | |
| 365 | |
| 53 | |
| 67 | |