NATIONAL SENIOR CERTIFICATE: MATHEMATICS: PAPER I QUESTION 11 Consider the word: CIRCLE Note: The repeated letters are treated as identical. (a) If two letters are selected at random, without replacement, determine the probability that: (b) (c) Page 7 of 8 (1) (2) Both letters are "C". Only one letter is "C". Determine the number of different 6-letter arrangements that can be made with the letters. How many word arrangements can be made if the word starts and ends with the same letter? (2) (3) (2) (2) [9]​