Permutation and Combination - Jamb Mathematics Past Questions and Answers

Question 21:

• JAMB 2005

How many possible ways are there of seating seven people P,Q,R,S,T,U and V at a circular table

A. 360
B. 720
C. 2520
D. 5040

Question 22:

• JAMB 2006

A final examination requires that a student answer any 4 out of 6 questions. In how many ways can this be done?

A. 15
B. 20
C. 30
D. 45

Question 23:

• JAMB 2006

For what of n is ⁿ⁺¹C₃ = 4(ⁿC₃)?

A. 6
B. 5
C. 4
D. 3

Question 24:

• 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

Question 25:

• JAMB 2007

In how many ways can 6 subjects be selected from 10 subjects for an examination

A. 218
B. 216
C. 215
D. 210