Question

In how many different ways can the letters of the word 'REPLACE' be arranged?

• A. 2630
• B. 5040
• C. 1680
• D. 2580
• E. None of the above

Answer 1

The correct option is E None of the above

The word REPLACE consists of 7 letters in which 'E' comes twice.
$\times$ Number of arrangements $=\frac{7!}{2!}$
$=7\times 6\times 5\times 4\times 3$
= 2520