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Question 1
Find the number of permutations that can be had from the letters of the word ‘OMEGA’ with O and A occupying end places.
Question 2
In how many different ways can 5 boys and 5 girls form a circle such that the boys and girls alternate.
Question 3
If , find the value of and .
Question 4
Raju has 6 friends, in how many ways he invites one or more of them to dinner?
Question 5
Find the number of factors of the number 38808, excluding 1 and the expression itself.
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