In how many different ways can the letters of the word DISPLAY be arranged?
A. 720
B. 1140
C. 2520
D. 5040
E. None of these
Answer: Option D
Solution (By Examveda Team)
The given word contains 7 letters, all different .∴ Required number of ways
$$\eqalign{ & {}^7{P_7} = 7! \cr & = \left( {7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1} \right) \cr & = 5040 \cr} $$
This Question Belongs to Arithmetic Ability >> Permutation And Combination
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