JAMB Mathematics 2007 Objective — Question 47
Question 47 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2007 Objective paper, with the correct answer and a full explanation.
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A senatorial candidate had planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered?
- A. 520
- B. 640
- C. 720
- D. 840Correct
Explanation
Number of possible itineraries = 7P4 = 7!/(7-4)! = 7x6x5x4 = 840.
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