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  • Question
  • How many four digit even numbers can be formed using the digits {2, 7, 5, 3, 9, 1} ?


  • Options
  • A. 59
  • B. 60
  • C. 61
  • D. 64

  • Correct Answer
  • 60 

    Explanation

    The given digits are 1, 2, 3, 5, 7, 9  

    A number is even when its units digit is even. Of the given digits, two is the only even digit.Units place is filled with only '2' and the remaining three places can be filled in ?P? ways.

     

    Number of even numbers = ?P? = 60.

  • Tags: GATE, CAT, Bank Exams, AIEEE, Bank PO, Bank Clerk

    More questions

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      If the price of 23 toys is Rs. 276, then what will the price (Rs.) of 12 toys?

    • Options
    • A. 144
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    • C. 159
    • D. 166
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    • 3. 
      .02 =(......?.....)%

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    • A. 20
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      If 36 men can do a piece of work in 25 hours, in how many hours will 15 men do it?

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    • 5. 
      2?63 / 11 =233

    • Options
    • A. 4
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    • 6. 
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    • Options
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    • 7. 
      Aarti can do a piece of work in 6 days. In how many days will she complete three time of work of same type?

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    • A. 18 days
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    • 8. 
      750.0003 ÷ 19.999 =?

    • Options
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    • 9. 
      105, 85, 60, 30, 0, - 45, - 90?

    • Options
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    • 10. 
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    • Options
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    • D. {1, 2, 5} ? A
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