First letter: 4 possible boxes. Second letter: still 4 possible boxes (it doesn’t matter where the first went). Third letter: again 4 possible boxes. Combine the choices (Multiplication Principle) When independent choices happen in sequence, multiply the counts: Total =4*4*4 64

CA Foundation doubt

Help me solve q7

Asked by Prarthana9 Nov 20251492 views

1 answer

Prabir · 9 Nov 2025
First letter: 4 possible boxes. Second letter: still 4 possible boxes (it doesn’t matter where the first went). Third letter: again 4 possible boxes. Combine the choices (Multiplication Principle) When independent choices happen in sequence, multiply the counts: Total =4*4*4 64

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