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Find the number of 4-digit numbers that ...

Find the number of 4-digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated. How many of these will be even?

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  1. How many 4-digit numbers are there with no digit repeated?

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  2. How many 3-digit even numbers can be made using the digits 1,2,3,4,6,7...

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  3. Find the number of 4-digit numbers that can be formed using the digits...

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  4. From a committee of 8 persons, in how many ways can we choose a chairm...

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  5. Find r ,if ^5Pr = 2 xx ^6P(r-1)

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  6. How many words, with or without meaning, can be formed using all the l...

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  7. How many words, with or without meaning that can be made from the lett...

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  8. How many permutations are there of the 11 letters in MISSISSIPPI al...

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  9. In how many ways can the letters of the word PERMUTATIONS be arranged ...

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  10. If ^nC9 =^nC8 find 'n' and ^nC17

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  11. A committee of 3 persons is to be constituted from a group of 2 men an...

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  12. What is the number of ways of choosing 4 cards from a pack of 52 playi...

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  13. If ^n C2 = ^nC8 then find n

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  14. How many chords can be drawn through 21 points on a circle?

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  15. In how many ways can a team of 3 boys and 3 girls be selected from 5 b...

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  16. Find the number of ways of selecting 9 balls from 6 red balls, 5 white...

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  17. Determine the number of 5 card combinations out of a deck of 52 cards ...

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  18. In how many ways can one select a cricket team of eleven from 17 playe...

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  19. A bag contains 5 black and 6 red balls. Determine the number of ways i...

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  20. In how-many ways can a student choose a programme of 5 courses if 9 co...

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