Post Utme University Of Lagos Mathematics Past Questions and Answers

Question 206:

Evaluate \((2 + \sqrt{3})(2 - \sqrt{3})\)

A. 4
B. 3
C. 2
D. 1

Question 207:

A pillar Y is 4 km east of a pillar X while another Z is 4 km south of Y on the same level ground. Find the bearing of X from Z.

A. 45°
B. 315°
C. 135°
D. 120°

Question 208:

The population of a town is 15,386. Express this number in three significant figures.

A. 15,390
B. 15,380
C. 15,400
D. 15,300

Question 209:

If \(\cos^2x + \frac{1}{5} = \sin^2x,\) find \(\cos x\)

A. \(\sqrt{\frac{2}{5}}\)
B. \(\sqrt{\frac{5}{2}}\)
C. \(\sqrt{\frac{3}{2}}\)
D. \(\frac{2}{\sqrt{5}}\)

Question 210:

The shares owned by Bola and Tolu in a joint business valued at ₦1,300,000 are in the ratio 5:8 respectively. Bola sells 20% ofler share in the business to Tolu. What value of the business does Olu own now?

A. ₦400,000
B. ₦500,000
C. ₦800,000
D. ₦900,000