Inequalities - Jamb Mathematics Past Questions and Answers

Question 26:

• JAMB 1991

Find the range of values of x which satisfy the inequality \(\frac{x}{2}\) + \(\frac{x}{3}\) + \(\frac{x}{4}\) < 1

A. X < \(\frac{12}{13}\)
B. X < 13
C. X < 9
D. \(\frac{13}{12}\)

Question 27:

• JAMB 1992

Find all values of x satisfying the inequality -11 \(\leq\) 4 - 3x \(\leq\) 28

A. -5 \(\leq\) x v 8
B. 5 \(\leq\) x \(\leq\) 8
C. -8 \(\leq\) x \(\leq\) 5
D. -5 < x \(\leq\) 8

Question 28:

• JAMB 1993

Solve the inequality y² - 3y > 18

A. -3 < y < 6
B. Y < -3 or y > 6
C. Y > -3 or y > 6
D. Y < 3 or y < 6

Question 29:

• JAMB 1993

If x is negative, what is the range of values of x within which \(\frac{x + 1}{3}\) > \(\frac{1}{X + 3}\)

A. 3 < x < 4
B. -4 < x < -3
C. -2 < x < -1
D. -3 < x < 0

Question 30:

• JAMB 1994

Find the range of values of x for which \(\frac{1}{x}\) > 2 is true

A. X < \(\frac{1}{2}\)
B. X < 0 or x < \(\frac{1}{2}\)
C. 0 < x < \(\frac{1}{2}\)
D. 1 < x < 2