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Number of three digit numbers such that ...

Number of three digit numbers such that atleast one of the digits is 9 , if repetitions allowed is

A

252

B

648

C

864

D

468

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-PERMUTATIONS AND COMBINATIONS -Assignment Section A Objective type questions (One option is correct )
  1. Number of even numbes greater than 300 that can be formed with the dig...

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  2. There are 6 books of physics , 3 of chemistry and 4 of biology . Numbe...

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  3. A person has 5 shirts, 4 coat and 7 ties . Number of ways in which he ...

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  4. Number of ways in which 15 different books can be arraged on a shelf s...

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  5. How many 6 digit numbers can be formed out of the digits of the number...

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  6. Number of ways in which n balls be randomly distributed in n cells is

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  7. Number of three digit numbers such that atleast one of the digits is 9...

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  8. Number of ways in which the letters of the word TAMANNA be arranged is

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  9. Number of three letter words that can be formed using only vowels but ...

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  10. Number of all permutations of the set of four letters E , O , S , P ta...

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  11. Number of ways in which 5 prizes be given away to 8 students when elac...

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  12. Number of 3 digit numbers that can be formed having unit digit as zero...

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  13. Number of different words that can be made using the letters of the wo...

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  14. Number of ways in which the letters of the word SUCCESSFUL be arranged...

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  15. Number of 6 digit numbers that can be formed using digit 2 two times ...

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  16. The ratio of number of atoms present in a simple cubic, body centered ...

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  17. Number of 7 digit telephone numbers that can be formed from the digits...

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  18. Four dice are rolled. The number of possible outcomes in which atleast...

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  19. In a badminton each player played one game with ll the other players. ...

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  20. Number of ways in which 5 plus (+) signs and 5 minus (-) signs be arra...

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