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

2520 2250 5054 2350

2520

OFFICES This word has 7 letters and F comes 2 times Number of ways in which letters can be arranged in word OFFICES = \(\frac{ 7! }{2!}\) = \(\frac{ 7 × 6 × 5 × 4 × 3 × 2 × 1   }{2 ×1 }\) = \(\frac{ 5040  }{2  }\) = 2520