Post-UTME Mathematics 2016 Objective — Question 9
Question 9 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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In how many ways can the letters of the word 'BENZENE' be arranged?
- A. 420Correct
- B. 840
- C. 42100
- D. 40320
Explanation
BENZENE has 7 letters: B(1), E(3), N(2), Z(1). Arrangements = 7!/(3!x2!) = 5040/12 = 420.
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