JAMB Mathematics 2025 Objective — Question 12
Question 12 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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A set contains 7 elements. How many subsets can be formed from the set?
- A. 49
- B. 14
- C. 128Correct
- D. 64
Explanation
Number of subsets of a set with n elements = 2ⁿ. For n=7, 2⁷=128.
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