Jamb Mathematics Past Questions For Year 2009
Question 1
If 55\(_x\) + 52\(_x\) = 77\(_{10}\) find X
- A. 5
- B. 6
- C. 7
- D. 10
Question 2
Simplify \(7\frac{1}{12}-4\frac{3}{4}+2\frac{1}{2}\)
- A. 4
- B. \(4\frac{1}{6}\)
- C. \(4\frac{5}{6}\)
- D. \(5\frac{1}{6}\)
Question 3
Evaluate \(\frac{81.81+99.44}{20.09+36.16}\) correct to 3 significant figures.
- A. 6.24
- B. 3.22
- C. 2.78
- D. 2.13
Question 4
A man bought a second-hand photocopying machine for N34,000. He serviced it at a cost of N2,000 and then sold it at a profit of 15%. What was the selling price?
- A. N37,550
- B. N40,400
- C. N41,400
- D. N42,400
Question 5
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
