Jamb Mathematics Past Questions and Answers

Question 1951:

• JAMB 2009

Simplify \(\frac{5+\sqrt{7}}{3+\sqrt{7}}\)

A. 17-√7
B. 4-√7
C. 15+√7
D. 7-√7

Question 1952:

• JAMB 2009

If x = {n²+1:n is a positive integer and 1 \(\leq\) n \(\leq\) 5},
Y = {5n:n is a positive integer and 1 \(\leq\) n \(\leq\) 5}, find x \(\cap\) y.

A. {5,10}
B. {5, 10, 15}
C. {2, 5, 10}
D. {5, 10, 15, 20}

Question 1953:

• JAMB 2009

I.S∩T∩W=S II. S ∪ T ∪ W = W
III. T ∩ W = S
If S⊂‚T⊂‚W, which of the above statements are true?

A. I and II
B. I and III
C. II and III
D. I, II and III

Question 1954:

• JAMB 2009

If \(p=\sqrt{\frac{rs^3}{t}}\), express r in terms of p, s and t

A. \(\frac{p^2 t}{s^3}\)
B. \(\frac{p^3 t}{s^3}\)
C. \(\frac{p^3 t}{s^2}\)
D. \(\frac{p^ t}{s^3}\)

Question 1955:

• JAMB 2009

A polynomial in x whose roots are ⁴/₃ and -³/₅ is

A. 15x² - 11x — 12
B. 15x² + 11x — 12
C. 12x² - x — 12
D. 12x² + 11x — 15