How many terms are there in the following product? (a_{1}+a_{2}+a_{3})(b_{1}+b_{2}+b_{3}+b_{4})(c_{1}+c_{2}+c_{3}+c_{4}+c_{5})
- A. 15
- B. 30
- C. 45
- D. 60 ✓
Correct Answer: D. 60
Explanation
The total number of terms in the expansion is the product of the number of terms in each bracket: 3 \times 4 \times 5 = 60.
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