In how many ways can the letters LEADER be ..

Question 1 Report

In how many ways can the letters LEADER be arranged?

144

360

720

Answer Details

The word LEADER has 1L 2E 1A 1D and 1R making total of 6! $\frac{6}{1! 2! 1! 1! 1!}$ = $\frac{6!}{2!}$
= $\frac{6 \times 5 \times 4 \times 3 \times 2 \times 1}{2 \times 1}$
= 360

Read lesson note on Permutation And Combination (JAMB)

Permutation And Combination

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