Jamb Mathematics 1994 Past Questions and Answers

Question 1:

• JAMB 1994

Solve for x if \(25^{x} + 3(5^{x}) = 4\)

A. 1 or -4
C. 1
D. -4 or 0

Question 2:

• JAMB 1994

Solve for x if \(25^{x} + 3(5^{x}) = 4\)

A. 1 or -4
B. O
C. 1
D. -4 or 0

Question 3:

• JAMB 1994

The mean of twelve positive numbers is 3. When another number is added, the mean becomes 5. Find the thirteenth number

A. 29
B. 26
C. 25
D. 24

Question 4:

• JAMB 1994

Evaluate \(\frac{1}{3} \div [\frac{5}{7}(\frac{9}{10} -1 + \frac{3}{4})]\)

A. \(\frac{28}{39}\)
B. \(\frac{13}{39}\)
C. \(\frac{39}{28}\)
D. \(\frac{84}{13}\)

Question 5:

• JAMB 1994

Evaluate \(\frac{0.36 \times 5.4 \times 0.63}{4.2 \times 9.0 \times 2.4}\)

A. 0.013
B. 0.014
C. 0.14
D. 0.13