Jamb Mathematics 1990 Past Questions and Answers

Question 31:

• JAMB 1990

If Cos \(\theta\) = \(\frac{12}{13}\). Find \(\theta\) + cos²\(\theta\)

A. \(\frac{169}{25}\)
B. \(\frac{25}{169}\)
C. \(\frac{169}{144}\)
D. \(\frac{144}{169}\)

Question 32:

• JAMB 1990

A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pope is 10cm.Find the volume of metal used in making 3m of the pipe.

A. 153\(\pi\)cm³
B. 207\(\pi\)cm³
C. 15 300\(\pi\)cm³
D. 20 700\(\pi\)cm³

Question 33:

• JAMB 1990

If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes?

A. 27 : 32
B. 27 : 23
C. 23 : 32
D. 27 : 23

Question 34:

• JAMB 1990

The locus of a point which moves so that it is equidistant from two intersecting straight lines is the

A. Perpendicular bisector of the two lines
B. Angle bisector of the two lines
C. Bisector of the two lines
D. Line parallel to the two lines

Question 35:

• JAMB 1990

4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16

A. 48^o
B. 84^o
C. 92^o
D. 276^o