Jamb Mathematics 2012 Past Questions and Answers

Question 16:

• JAMB 2012

The value of y for which \(\frac{1}{5}y + \frac{1}{5} < \frac{1}{2}y + \frac{2}{5}\) is

A. \(y > \frac{2}{3}\)
B. \(y < \frac{2}{3}\)
C. \(y > -\frac{2}{3}\)
D. \(y < -\frac{2}{3}\)

Question 17:

• JAMB 2012

Find the range of values of m which satisfy (m - 3)(m - 4) < 0

A. 2 < m < 5
B. -3 < m < 4
C. 3 < m < 4
D. -4 < m < 3

Question 18:

• JAMB 2012

The nth term of a sequence is n² - 6n - 4. Find the sum of the 3rd and 4th terms.

A. 24
B. 23
C. -24
D. -25

Question 19:

• JAMB 2012

The sum to infinity of a geometric progression is \(-\frac{1}{10}\) and the first term is \(-\frac{1}{8}\). Find the common ratio of the progression.

A. \(-\frac{1}{5}\)
B. \(-\frac{1}{4}\)
C. \(-\frac{1}{3}\)
D. \(-\frac{1}{2}\)

Question 20:

• JAMB 2012

The binary operation * is defined on the set of integers such that p * q = pq + p - q. Find 2 * (3 * 4)

A. 11
B. 13
C. 15
D. 22