Asked by | 15th Feb, 2010, 03:05: PM
The total ways to put random all seven letters of the word SOCIETY, 7!.
The three vowels can be put together,
OIE****, *OIE***, **OIE**, ***OIE*, ****OIE.
For each combination, 3!x4!, ways to arrange,
Total number of ways = 5x3!x4!
Probability = 5x3!x4!/7! = 1/7
Answered by | 15th Feb, 2010, 04:35: PM
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