logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Permutation and Combination Comments

  • Question
  • In how many ways the letters of the word NUMERICAL can be arranged so that the consonants always occupy the even places ?


  • Options
  • A. 5!
  • B. 6!
  • C. 4!
  • D. Can't determine

  • Correct Answer
  • Can't determine 

    Explanation

    NUMERICAL has 9 positions in which 2, 4, 6, 8 are even positions.

    And it contains 5 consonents i.e, N, M, R, C & L. Hence this cannot be done as 5 letters cannot be placed in 4 positions.

    Therefore, Can't be determined.

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

    Permutation and Combination problems


    Search Results


    • 1. In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels never come together?

    • Options
    • A. 1440
    • B. 720
    • C. 2250
    • D. 3600
    • Discuss
    • 2. If repetition of the digits is allowed, then the number of even natural numbers having three digits is :

    • Options
    • A. 550
    • B. 450
    • C. 500
    • D. 540
    • Discuss
    • 3. Compute the sum of 4 digit numbers which can be formed with the four digits 1,3,5,7, if each digit is used only once in each arrangement.

    • Options
    • A. 105555
    • B. 106665
    • C. 106656
    • D. 108333
    • Discuss
    • 4. Suppose you want to arrange your English, Hindi, Mathematics, History, Geography and Science books on a shelf. In how many ways can you do it?

    • Options
    • A. 360
    • B. 780
    • C. 720
    • D. 240
    • Discuss
    • 5. A,B,C,D,E,F,G and H are sitting around a circular table facing the centre but not necessarily in the same order. G sits third to the right of C. E is second to the right of G and 4th to the right of H. B is fourth to the right of C. D is not an immediate neighbour of E. A and C are immediate neighbours. Which of the following is/are correct ?

    • Options
    • A. F is third to the left of B
    • B. F is second to the right of B
    • C. B is an immediate neighbour of D
    • D. All of the above
    • Discuss
    • 6. 5 men and 4 women are to be seated in a row so that the women occupy the even places . How many such arrangements are possible?

    • Options
    • A. 2880
    • B. 1440
    • C. 720
    • D. 2020
    • Discuss
    • 7. In how many ways can 5 letters be posted in 4 letter boxes?

    • Options
    • A. 512
    • B. 1024
    • C. 625
    • D. 20
    • Discuss
    • 8. Using numbers from 0 to 9 the number of 5 digit telephone numbers that can be formed is

    • Options
    • A. 1,00,000
    • B. 59,049
    • C. 3439
    • D. 6561
    • Discuss
    • 9. If you have 6 New Year greeting cards and you want to send them to 4 of your friends, in how many ways can this be done?

    • Options
    • A. 720
    • B. 360
    • C. 240
    • D. 740
    • Discuss
    • 10. A coach must choose five starters from a team of 12 players. How many different ways can the coach choose the starters ?

    • Options
    • A. 569
    • B. 729
    • C. 625
    • D. 769
    • Discuss


    Comments

    There are no comments.

Enter a new Comment