Question

How many different words can be formed with the letters of the word PRACTICE such that each of the word begin with E and ends with R?

A 720 Correct Answer Incorrect Answer
B 360 Correct Answer Incorrect Answer
C 120 Correct Answer Incorrect Answer
D 180 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

When E and R are fixed as first and last letters of the word, then we have only 6 letters to be arranged.  Hence required number of ways = (6 !)/(2 !) = 360

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