11th Class Mental Ability Permutations and Combinations Question Bank

done Question - Permutation and Combination Total Questions - 10

• question_answer1)
  In how many ways three different rings can be worn in four fingers with at most one in each finger?
  A)
  24 done clear
  B)
  12 done clear
  C)
  36 done clear
  D)
  120 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer2)
  In how many ways can 7 soldiers stand in a queue?
  A)
  5040 done clear
  B)
  2880 done clear
  C)
  280 done clear
  D)
  285 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer3)
  How many different words can be formed with the letters of the word NAINITAL such that each of the word begin with L and end with T?
  A)
  90 done clear
  B)
  80 done clear
  C)
  88 done clear
  D)
  82 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer4)
  How many numbers of 5 digits can be formed with the digits 0, 2, 3, 4 and 5 if the digits may repeat?
  A)
  2500 done clear
  B)
  250 done clear
  C)
  120 done clear
  D)
  2400 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer5)
  In how many ways 4 rings of different types can be worn in 3 fingers?
  A)
  49 done clear
  B)
  12 done clear
  C)
  24 done clear
  D)
  81 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer6)
  In how many ways can n balls be randomly distributed in n cells?
  A)
  n! done clear
  B)
  \[{{n}^{n}}\] done clear
  C)
  n(n - 1) done clear
  D)
  \[{{2}^{n}}\] done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer7)
  In a test paper there are total 10 questions. Sri how many different ways can you choose 6 questions to answer?
  A)
  210 done clear
  B)
  540 done clear
  C)
  336 done clear
  D)
  340 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer8)
  Draupadi has 5 friends. In how many ways can she invite one or more of them to a dinner?
  A)
  31 done clear
  B)
  \[{{5}^{5}}\] done clear
  C)
  13 done clear
  D)
  \[{{2}^{5}}\] done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer9)
  A committee of 5 persons is to be formed out of 6 gents and 4 ladies. In how many ways this can be done, when at most two ladies are included?
  A)
  186 done clear
  B)
  168 done clear
  C)
  136 done clear
  D)
  169 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer10)
  Find the number of ways of selecting 4 letters from the word EXAMINATION.
  A)
  136 done clear
  B)
  126 done clear
  C)
  252 done clear
  D)
  525 done clear
  E)
  None of these done clear
  View Solution play_arrow