Jamb Mathematics Past Questions and Answers

Question 491:

• JAMB 1978

A force of 5 units acts on a particle in the direction to the east and another force of 4 units acts on the particle in the direction north-east. The resultants of the two forces is

A. \(\sqrt{3}\) units
B. 3 units
C. \(\sqrt{41 + 20 \sqrt{2}}\) units
D. \(\sqrt{41 - 20 \sqrt{2}}\) units

Question 492:

• JAMB 1978

The minimum point on the curve y = x2 - 6x + 5 is at

A. (1, 5)
B. (2, 3)
C. (-3, -4)
D. (3, -4)

Question 493:

• JAMB 1978

If \(3x - \frac{1}{4})^{\frac{1}{2}} > \frac{1}{4} - x \), then the interval of values of x is

A. X > \(\frac{1}{3}\)
B. X < \(\frac{1}{3}\)
C. X < \(\frac{1}{4}\)
D. X < \(\frac{9}{16}\)
E. X > \(\frac{9}{16}\)

Question 494:

• 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 495:

• 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