Permutation and Combination - Jamb Mathematics Past Questions and Answers

Question 16:

• JAMB 2003

If \(^{n}P_{3} - 6(^{n}C_{4}) = 0\), find the value of n.

A. 5
B. 6
C. 7
D. 8

Question 17:

• JAMB 2003

Find the number of committees of three that can be formed consisting of two men and one woman from four men and three women

A. 3
B. 6
C. 18
D. 24

Question 18:

• JAMB 2004

In how many ways can 2 students be selected from a group of 5 students in a debating competition?

A. 25 ways
B. 10 ways
C. 15 ways
D. 20 ways

Question 19:

• JAMB 2004

A committee of six is to be formed by a state governor from nine state commissioners and three members of the state house of assembly. In how many ways can the members of the committee be chosen so as to include one member of the house of assembly

A. 378 ways
B. 462 ways
C. 840 ways
D. 924 ways

Question 20:

• JAMB 2005

In how many ways can 6coloured chalks be arranged if 2 are same colour?

A. 60
B. 120
C. 240
D. 360