A senatorial candidate had planned to visit seven cities prior to a primary election. However,...
MATHEMATICS
JAMB 2007
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. 640
- B. 840
- C. 520
- D. 920
Correct Answer: B. 840
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