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The number of 3 digit numbers using 1, 2...

The number of 3 digit numbers using 1, 2, 3, 4, 5 if no digit is to be used more than once in each number is.

A

60

B

56

C

96

D

80

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The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-I
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  4. Using the digits 0,2,4,6,8 not more than once in any number ...

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  5. Number of permutations that can be made using all the letters of the w...

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  6. Number of 4 letter permutations that can be made from the letters of t...

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  7. The number of arrangements that can be formed by taking all the ...

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  8. The letters of the word “ARTICLE” are taken four at a time and arrange...

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  9. The number of arrangements which can be made out of the letters of the...

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  10. 10 men and 6 women are to seated in a row so that no two wowe...

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  11. the number of 3 digited numbers that can be formed that can ...

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  12. The number of 4 letter words than can be formed using the lett...

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  13. Eight different letters of an alphabet are given . Words of f...

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  14. A letter lock consists of three rings each marked with 5 different let...

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  15. Find the the number of functions from a set A containing 5 elements in...

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  16. The number of injections from Set - A containing 5 elements to a Set -...

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  17. The number of onto functions that canbe defined from A = {a, b, c, d, ...

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  18. The number of into functions that can be defined from A={x, y, z, w, t...

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  19. The number of many one functions from A= {1, 2, 3} to B= {a, b, c, d} ...

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  20. The number of constant mappings from A={1, 2, 3, 4...., n} to B= {a, b...

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