Jamb Mathematics 2006 Past Questions and Answers

Question 21:

• JAMB 2006

Find the tax on an income of N20,000 if no tax is paid on the first N10,000 and tax is paid at N50 in N1000 on the next N5000 and at N55 in N1000 on the remainder

A. N500
B. N552
C. N255
D. N525

Question 22:

• JAMB 2006

Evaluate \(\frac{2}{6-5\sqrt{3}}\)

A. \(-\left(\frac{12}{39}-\frac{10\sqrt{3}}{39}\right)\)
B. \(\frac{12}{39}-\frac{10\sqrt{3}}{39}\)
C. \(-\left(\frac{12}{39}+\frac{10\sqrt{3}}{39}\right)\)
D. \(\frac{12}{39}+\frac{10\sqrt{3}}{39}\)

Question 23:

• JAMB 2006

Compute 110011₂ + 11111₂

A. 1001010₂
B. 1010010₂
C. 1000110₂
D. 1000100₂

Question 24:

• JAMB 2006

Simplify \((25)^{\frac{-1}{2}} \times (27)^{\frac{1}{3}} + (121)^{\frac{-1}{2}} \times (625)^{\frac{-1}{4}}\)

A. ³⁴/₅₅
B. ⁹/₁₁
C. ¹⁴/₅
D. ³/₂₇₅

Question 25:

• JAMB 2006

Convert 2232\(_4\) to base six

A. 450₆
B. 254₆
C. 553₆
D. 540₆