Progression - Jamb Mathematics Past Questions and Answers

Question 41:

• JAMB 1997

The nth term of a sequence is given 3^{1 - n} , find the sum of the first terms of the sequence.

A. \(\frac{13}{9}\)
B. 1
C. \(\frac{1}{3}\)
D. \(\frac{1}{9}\)

Question 42:

• JAMB 1998

If p + 1, 2P - 10, 1 - 4p²are three consecutive terms of an arithmetic progression, find the possible values of p

A. -4, 2
B. -3, \(\frac{4}{11}\)
C. -\(\frac{4}{11}\), 2
D. 5, -3

Question 43:

• JAMB 1998

The sum of the first three terms of a geometric progression is half its sum to infinity. Find the positive common ratio of the progression.

A. \(\frac{1}{4}\)
B. \(\sqrt{\frac{3}{2}}\)
C. \(\frac{1}{\sqrt{3}}\)
D. \(\frac{1}{\sqrt{2}}\)

Question 44:

• JAMB 1999

Three consecutive positive integers k, l and m are such that l\(^2\) = 3(k+m). Find the value of m.

A. 4
B. 5
C. 6
D. 7

Question 45:

• JAMB 1999

The first term of a geometric progression is twice its common ratio. Find the sum of the first two terms of the G.P if its sum to infinity is 8.

A. 8/5
B. 8/3
C. 72/25
D. 56/9