Mathematics 1992 Jamb Past Questions and Answers

Question 1 :

• JAMB 1992

Find n if 34_n = 10011₂

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

Question 2 :

• JAMB 1992

Find n if 34_n = 10011₂

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

Question 3 :

• JAMB 1992

The radius of a circle is given as 5cm subject to an error of 0.1cm. What is the percentage error in the area of the circle?

A. \(\frac{1}{25}\)
B. \(\frac{1}{4}\)
C. 4
D. 25

Question 4 :

• JAMB 1992

Evaluate \(\log_{b} a^{n}\) if \(b = a^{\frac{1}{n}}\).

A. N²
B. N
C. \(\frac{1}{n}\)
D. \(\frac{1}{n^2}\)

Question 5 :

• JAMB 1992

What is the value of x satisfying the equation \(\frac{4^{2x}}{4^{3x}}\) = 2?

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