Mensuration - Jamb Mathematics Past Questions and Answers

Question 71:

• 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 72:

• 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 73:

• JAMB 1990

In triangles XYZ and XQP, XP = 4cm, XQ = 5cm and PQ = QY = 3cm. Find ZY

A. 8cm
B. 6cm
C. 4cm
D. 3cm

Question 74:

• JAMB 1990

In the figure, YXZ = 30^o, XYZ = 105^o and XY = 8cm. Calculate YZ

A. 16\(\sqrt{2}\)cm
B. 8\(\sqrt{2}\)cm
C. 4\(\sqrt{2}\)cm
D. 22cm

Question 75:

• JAMB 1990

In the figure, PQR is a semicircle. Calculate the area of the shaded region

A. 125^{\(\frac{2}{7}\)2}
B. 149^{\(\frac{2}{7}\)}cm²
C. 234^{\(\frac{1}{7}\)}cm²
D. 267^{\(\frac{1}{2}\)}cm²