MHT CET 2018 Math Solved Paper

(c) The word HULULULU contains 4U, 3L & 1H.
Consider 3L together i.e. we have to arrange 6units which contains 4U.
Hence number of possible arrangements
=

6!

4!

= 6 x 5 = 30
Number of ways of arranging all letters of given2018-21word
=

8!

3!4!

=

8×7×6×5

3×2

= 8 × 7 × 5
Hence required probability
=

30

8×7×5

=

6

8×7

=

3

28