Number of ways in which the letters of the word B U L B U L can be arranged in a line in a defin...

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Number of ways in which the letters of the word B U L B U L can be arranged in a line in a definite
(W) order is also equal to the
(A) number of ways in which 2 alike Apples and 4 alike Mangoes can be distributed in 3 children so that each child receives any number of fruits.
(B) Number of ways in which 6 different books can be tied up into 3 bundles, if each bundle is to have equal number of books.
(C) coefficient of \( x^{2} y^{2} z^{2} \) in the expansion of \( (x+y+z)^{6} \).
(D) number of ways in which 6 different prizes can be distributed equally in three children.
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