Mathematics 1984 JAMB Past Questions

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A trader in country where their currency 'MONI'(M) is in base five bought 103₅ oranges at M14₅ each. If he sold the oranges at M24₅ each, what will be his gain?

A. 103₅
B. 1030₅
C. 102₅
D. 2002₅
E. 3032₅

View Answer & Discuss JAMB 1984

Rationalize \(\frac{5\sqrt{7} - 7\sqrt{5}}{\sqrt{7} - \sqrt{5}}\)

A. -2 \(\sqrt{35}\)
B. 4\(\sqrt{7}\) - 6\(\sqrt{5}\)
C. -\(\sqrt{35}\)
D. 4\(\sqrt{7}\) - 8\(\sqrt{5}\)
E. \(\sqrt{35}\)

View Answer & Discuss (7) JAMB 1984

Simplify \(\frac{3^n - 3^{n - 1}}{3^3 \times 3^n - 27 \times 3^{n - 1}}\)

A. 1
B. 6
C. \(\frac{1}{27}\)
D. \(\frac{4}{3}\)

View Answer & Discuss (1) JAMB 1984

p varies directly as the square of q and inversely as r. If p = 36, when q = 3, when r = 4, find p when q = 5 and r = 2.

A. 72
B. 100
C. 90
D. 200
E. 125

View Answer & Discuss (4) JAMB 1984

Factorize 6x2 - 14x - 12

A. 2(x + 3)(3x - 2)
B. 6(x - 2)(x + 1)
C. 2(x - 3)(3x + 2)
D. 6(x + 2)(x - 1)
E. (3x - 4)(2x + 3)

View Answer & Discuss (4) JAMB 1984

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Mathematics 1984 JAMB Past Questions

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