91- 6303239042
manini dhar
CAT Preparation Community 10y ago
How many 8 letter words can be formed using the letters in the word TRUTHFUL??? My answer is coming as 6720 but the required answer is 10080...help plzz
2
Pv Aaditya 10y ago
There are 8 letters in the word with T and U being repeated once. So, the number of permutations of the word = 8!/(2!*2!) = 10080
Dipannita Ray 10y ago
8!/(2! × 2!) = 8!/4 = 2×7×6×5×4×3×2×1 =10080
