2025 IGCSE Additional Mathematics October/November 0606/21 Q3

2025 IGCSE Additional Mathematics October/November 0606/21 Q3

5 marks
  1. 3 men and 3 women are standing in a line.
    The 3 men are standing next to each other.
    Find how many different arrangements are possible.[2]
  2. In the 13-letter word MULTIBRANCHED, there are 4 vowels, U, I, A and E.
    7 different letters are selected from these 13 letters.
    Find how many different selections are possible if the selection includes at least 2 vowels.[3]

Solution:

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Answer:(a) 144 (b) 1344

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