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NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on NUMBER AND NUMERATION

Question 31:


Simplify 25\(\frac{1}{2}\) x 8\(\frac{-2}{3}\)

A. 1\(\frac{1}{4}\)
B. 2\(\frac{1}{4}\)
C. 6
D. 10


Question 32:


if y = 23\(_{five}\) + 101\(_{three}\) find y leaving your answer in base two

A. 1110
B. 10111
C. 11101
D. 111100


Question 33:


Which one of the following gives the members of the set A1 n B n C?

A. Φ
B. {s}
C. {t, u}
D. {y, z}


Question 34:


Convert 0.04945 to two significant figures

A. 0.040
B. 0.049
C. 0.050
D. 0.49


Question 35:


Calculate 243\(_{six}\) — 243\(_{five}\) expressing your answer in base 10

A. Zero
B. 1
C. 26
D. 46






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