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Sabnam has 2 school bags, 3 tiffin boxes and 2 water bottles. Choosing one of each, she can carry them in:
A14 ways
B12 ways
C7 ways
D10 ways
Answer & Solution
Correct answer: B. 12 ways
1. Bags and boxes give 2 times 3, or 6 pairs.
2. Each pair takes 2 bottle choices.
3. That gives 12 ways.
_Source: NCERT Class 11 Mathematics, Chapter 7, Permutations and Combinations._
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