Jamb Mathematics 2010 Past Questions and Answers

Question 36:

• JAMB 2010

Find the sum to infinity of the following series. 0.5 + 0.05 + 0.005 + 0.0005 + .....

A. \(\frac{5}{8}\)
B. \(\frac{5}{7}\)
C. \(\frac{5}{11}\)
D. \(\frac{5}{9}\)

Question 37:

• JAMB 2010

Evaluate \(\begin{vmatrix} 2 & 0 & 5 \\ 4 & 6 & 3 \\ 8 & 9 & 1 \end{vmatrix}\)

A. 5y - 2x -18 = 0
B. 102
C. -102
D. -42

Question 38:

• JAMB 2010

If P = \(\begin{pmatrix} 2 & -3 \\ 1 & 1 \end{pmatrix}\)

A. \(\begin{pmatrix} -{\frac{1}{5}} & -{\frac{3}{5}} \\ -{\frac{1}{5}} & -{\frac{2}{5}} \end{pmatrix}\)
B. \(\begin{pmatrix} {\frac{1}{5}} & {\frac{3}{5}} \\ {\frac{1}{5}} & {\frac{2}{5}} \end{pmatrix}\)
C. \(\begin{pmatrix} -{\frac{1}{5}} & {\frac{3}{5}} \\ -{\frac{1}{5}} & {\frac{2}{5}} \end{pmatrix}\)
D. \(\begin{pmatrix} {\frac{1}{5}} & {\frac{3}{5}} \\ -{\frac{1}{5}} & {\frac{2}{5}} \end{pmatrix}\)

Question 39:

• JAMB 2010

The interior angles of a quadrilateral are (x + 15)^o, (2x - 45)^o and (x + 10)^o. Find the value of the least interior angle.

A. 112^o
B. 102^o
C. 82^o
D. 52^o

Question 40:

• JAMB 2010

If the two smaller sides of a right angled triangle are 4cm and 5cm, find its area.

A. 24cm²
B. 10cm²
C. 8cm²
D. 6cm²