How many different arrangements are there of the 9 letters in the word INTELLECT in which the two Ts are together?
How many different arrangements are there of the 9 letters in the word INTELLECT in which there is a T at each end and the two Es are not next to each other?
Four letters are selected at random from the 9 letters in the word INTELLECT. [0pt]
Find the percentage of the possible selections which contain at least one E and exactly one T. [4]
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