Jamb 2006 Mathematics Questions
Question 21:
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
View Answer & ExplanationQuestion 22:
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:
Compute 1100112 + 111112
- A 1001010<sub style='font-size: smaller;'>2</sub>
- B 1010010<sub style='font-size: smaller;'>2</sub>
- C 1000110<sub style='font-size: smaller;'>2</sub>
- D 1000100<sub style='font-size: smaller;'>2</sub>
Question 24:
Simplify \((25)^{\frac{-1}{2}} \times (27)^{\frac{1}{3}} + (121)^{\frac{-1}{2}} \times (625)^{\frac{-1}{4}}\)
- A <sup style='font-size: smaller;'>34</sup>/<sub style='font-size: smaller;'>55</sub>
- B <sup style='font-size: smaller;'>9</sup>/<sub style='font-size: smaller;'>11</sub>
- C <sup style='font-size: smaller;'>14</sup>/<sub style='font-size: smaller;'>5</sub>
- D <sup style='font-size: smaller;'>3</sup>/<sub style='font-size: smaller;'>275</sub>
Question 25:
Convert 2232\(_4\) to base six
- A 450<sub style='font-size: smaller;'>6</sub>
- B 254<sub style='font-size: smaller;'>6</sub>
- C 553<sub style='font-size: smaller;'>6</sub>
- D 540<sub style='font-size: smaller;'>6</sub>