Jamb Mathematics 2009 Past Questions and Answers

Question 6:

• JAMB 2009

A student spent 1/5 of his allowance on books, 1/2 of remainder on food and kept the rest for contingencies. What fraction was kept?

A. ⁷/₁₅
B. ⁸/₁₅
C. ²/₅
D. ⁴/₅

Question 7:

• JAMB 2009

If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280

A. 3.4471
B. 2.4471
C. 1.4471
D. 1.4071

Question 8:

• JAMB 2009

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

A. 17-√7
B. 4-√7
C. 15+√7
D. 7-√7

Question 9:

• 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 10:

• 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