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JAMB Mathematics 2013 Objective — Question 47

Question 47 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

In how many ways can a student select 2 subjects from 5 subjects?

A. A. 5!/2!3!Correct
B. B. 5!/2!
C. C. 5!/3!
D. D. 5!/2!1!

Explanation

⁵C₂=5!/(2!3!)=10.

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