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In how many ways can the letters in the word ELATION be arranged?

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MATHS

In how many ways can the letters in the word ELATION be arranged?

  • A. 7!
  • B. 5!
  • C. 8!
  • D. 6!

QUICK ANSWER…

A

SOLUTION 

The word ELATION has seven letters with none of them appearing more than once, therefore, the letters could be rearranged in 7! Ways.

Now for the right answer to the above question:

  1. Option A is correct.
  2. Option B is incorrect.
  3. C is incorrect.
  4. D is not the correct answer.

QUICK TIPS…

You may please note these/this:

  • If any of the alphabets appears more than once, then the arrangement will be in 7! Divided by the factorial of the number of appearances.

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/ culled from 2015 JAMB-UTME mathematics past question 37 /

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