Find the no of words that can be formed of
TYGHHTT

a).420
b)1540
c)840
d)None

• 420
  7!/(3!*2!)
• 13 years agoHelpfull: Yes(7) No(5)
• 7!/(3!*2!)
  = 420
• 9 years agoHelpfull: Yes(1) No(0)
• Ans is 420
  Explanation:as total alphabets are 7
  so total no of arrangements=7!
  T is repeted 3times so 3!
  H is repeated 2 times so 2!
  now the no of words formed=7!/3!*2!
  which is 420.
• 5 years agoHelpfull: Yes(0) No(0)