How many different words can be formed by using all the letters of the word SCHOOL?
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Step-by-step explanation:
This can be done by using gap method. At first arrange all the letters of the word except both Os .This can be done in 4! Now | S| C| H| L| there are 5 gaps between these and we can arrange the two OS between them in 5(C)2×2!/2!=10 ways. So, total number of ways =4!×10= 240 ways.. Hope it will be helpful…
Answered by
4
Answer:
240 different words can be formed by using all the letters of the word SCHOOL.
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