Jamb Mathematics 2009 Past Questions and Answers

Question 1:

• JAMB 2009

If 55_x + 52_x = 77₁₀ find X

A. 5
B. 6
C. 7
D. 10

Question 2:

• JAMB 2009

If 55_x + 52_x = 77₁₀ find X

A. 5
B. 6
C. 7
D. 10

Question 3:

• JAMB 2009

Simplify \(7\frac{1}{12}-4\frac{3}{4}+2\frac{1}{2}\)

A. 4
B. 4¹/₆
C. 4⁵/₆
D. 5¹/₆

Question 4:

• JAMB 2009

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 5:

• JAMB 2009

A man bought a second-hand photocopying machine for N34,000. He serviced is at a cost od 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