Indices Logarithms And Surds - Mathematics Jamb Past Questions and Answers

Question 11 :

• JAMB 2018

\(\frac{0.00256 \times 0.0064}{0.025 \times 0.08}\)

A. 8.8 x 10\(^{-1}\)
B. 8.8 x 10\(^{-2}\)
C. 8.8 x 10\(^{-3}\)
D. 8.8 x 10\(^{3}\)

Question 12 :

• JAMB 2018

Simplify

\(\frac {25^{\frac{2}{3}} \div 25^{\frac{1}{6}}} {(\frac{1}{5})^{\frac{7}{6}} \div (\frac{1}{5})^{\frac{1}{6}}}\)

A. 25
B. \(\frac{1}{5}\)
C. 1
D. \(\frac{1}{25}\)

Question 13 :

• JAMB 2017

If \(\frac{2 \sqrt{3} - \sqrt{2}}{\sqrt{3} + 2 \sqrt{2}} = m + n\sqrt{6}\),

find the values of m and n respectively

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

Question 14 :

• JAMB 2017

Simplify (3√64a³)\(^{−1}\)

A. 4a
B. \(\frac{1}{8a}\)
C. 8a
D. \(\frac{1}{4a}\)

Question 15 :

• JAMB 2017

Evaluate \(\frac{0.00000231}{0.007}\) and leave the answer in standard form

A. 3.3 x 10^-4
B. 3.3 x 10^-3
C. 3.3 x 10-⁵
D. 3.3 x 10^-8