Logarithms - Jamb Mathematics Past Questions with Answers

Jamb Mathematics Past Questions

Jamb Past Questions and Answers on Logarithms

Question 21:

JAMB 1985

Find x if log₉x = 1.5

A. 72.0
B. 27.0
C. 36.0
D. 3.5
E. 24.5

View Answer & Explanation

Question 22:

JAMB 1986

Find n if log

_{2}

4 + log

_{2}

7 - log

_{2}

n = 1

A. 10
B. 14
C. 27
D. 28

View Answer & Explanation

Question 23:

JAMB 1986

Simplify

\frac{9^{\frac{1}{3}} \times 27^{- \frac{1}{3}}}{3^{- \frac{1}{6}} \times 3^{\frac{2}{3}}}

\frac{1}{3}

B. 1
C. 3
D. 9

View Answer & Explanation

Question 24:

JAMB 1987

Simplify without using tables

\frac{l o g_{2} 6}{l o g_{2} 8}

\frac{l o g_{2} 3}{l o g_{2} \frac{1}{2}}

\frac{1}{5}

\frac{1}{2}

\frac{- 1}{2}

\frac{l o g_{2} 3}{l o g_{2} 7}

View Answer & Explanation

Question 25:

JAMB 1988

l o g_{10} 2 = 0.3010

and

l o g_{10} 3 = 0.4771

, evaluate; without using logarithm tables,

l o g_{10} 4.5

A. 0.3010
B. 0.4771
C. 0.6532
D. 0.9542

View Answer & Explanation

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Logarithms - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on Logarithms

Question 21:

Question 22:

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Question 24:

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