Q15

Question:

Letters of ALLOTMENT are rearranged. How many arrangements are possible?

ALLOTMENT के अक्षरों को पुनर्व्यवस्थित किया जाता है। कितनी व्यवस्थाएँ संभव हैं?

Options:

  • a) 90720
  • b) 181440
  • c) 45360
  • d) 362880
  • a) 90720
  • b) 181440
  • c) 45360
  • d) 362880

correct answer : a)

Explanation:

ALLOTMENT: A-L-L-O-T-M-E-N-T. Letters: A(1) L(2) O(1) T(2) M(1) E(1) N(1) = 9 letters. Arrangements = 9!/(2!*2!) = 362880/4 = 90720.

9 अक्षर, L और T दो बार। व्यवस्थाएँ = 9!/(2!×2!) = 362880/4 = 90720।

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