GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

Question 111:

• JAMB 1978

A canal has rectangular cross section of width10cm and breadth 1m. If water of uniform density 1 gm cm-3 flows through it at a constant speed of1000mm per minute, the adjacent sea is

A. 100000
B. 1000000
C. 120000
D. 30000
E. 350000

Question 112:

• JAMB 1978

A man runs a distance of 9km at a constant speed for the first 4 km and then 2 km\h faster for the rest of the distance. The whole run takes him one hour. His average speed for the first 4 km is

A. 6 km/h
B. 8 km/h
C. 9 km\h
D. 11 km\h
E. 13 km\h

Question 113:

• JAMB 1978

A pyramid is constructed on a cuboid. The figure has

A. Twelve faces
B. Thirteen vertices
C. Fourteen edges
D. Fifteen edges
E. Sixteen edges

Question 114:

• JAMB 1978

A triangle has angles 30o, 15o and 135o. The side opposite to the angle 30o is length 6cm. The side opposite to the angle 135o is equal to

A. 12cm
B. 6cm
C. 6\(\sqrt{2}\)cm
D. 12\(\sqrt{2}\)cm

Question 115:

• JAMB 1978

A regular hexagon is constructed inside a circle of diameter 12cm. The area of the hexagon is

A. 36\(\pi\)cm²
B. 54\(\sqrt{3}\)cm²
C. \(\sqrt{3}\)cm²
D. \(\frac{1}{x - 1}\)