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NCERT-PERMUTATIONS AND COMBINATIONS-EXERCISE 7.2
- In how many ways can one select a cricket team of elevens from 17 play...
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- Compute (8!)/( 6! xx2! )
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- If 1/(6!)+1/(7!)=x/(8!),find x
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- Evaluate (i) 8! (ii) 4! - 3!
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- Evaluate (n !)/((n-r)!), when (i) n = 6, r = 2 (ii) n = 9, r = 5
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- Is 3! + 4! = 7!?
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