SHAIK AASIF AHAMED
Last Activity: 10 Years ago
Hello student,
7 letters of word soceity can be arranged in 7! ways
if we consider 3 vowels as one letters of word soceity can be arranged in 5! ways
and 3 vowels can be arranged in 3! ways
hence probability is (5!3!)/7!=1/7
Thanks and regards
Shaik Aasif
askIITians faculty