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Number of 2 digit even numbers that can ...

Number of 2 digit even numbers that can be formed from the digits 1, 2, 3, 4 and 5 when repetitions are not allowed is

A

8

B

`5!`

C

`2^(6)`

D

`1^(6)`

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The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
  1. The number of natural numbers smaller than 10^(4) of which all digits ...

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  2. The number of all possible numbers formed out of 1, 2, 3, 4 without re...

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  3. Number of 2 digit even numbers that can be formed from the digits 1, 2...

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  4. The number of 4 digited even numbers that can be formed using the digi...

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  5. The number of even numbers between 200 and 20,000 can be formed with t...

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  6. The number of numbers greater than 23000 can be formed from 1, 2, 3, 4...

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  7. The number of four digit numbers that can be formed using the digits 1...

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  9. The number of 5 letter that can be formed using the letters of ...

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  10. The number of four digit telephone numbers formed by the digits is (No...

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  11. Four dice are rolled then the number of possible out comes is

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  14. 5 dice are thrown then the number of out comes in which there is atlea...

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  16. The number of functions that can be defined from a set containi...

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  17. The numbers of the one one function that can be defind from A ={...

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  18. The number of one - one functions that can be defined from A={a, b, c,...

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  19. The number of onto functions that can be defined from A={1, 2, 3} to B...

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