Post Utme University Of Lagos Mathematics Past Questions and Answers

Question 161:

Solve \(x^2 - x - 2 = 0\).

A. X = 1 or -2
B. X = 2 or -2
C. X = -1 or 2
D. X = 3 or -3

Question 162:

A bag contains 4 white balls and 6 red balls. Two balls are taken from the bag without replacement. What is the probability that they are both white?

A. 1/5
B. 1/3
C. 2/15
D. 2/9

Question 163:

Calculate 11024\(_5\) - 3220\(_5\).

A. 2304\(_5\)
B. 2211\(_5\)
C. 3310\(_5\)
D. 2244\(_5\)

Question 164:

If S = [x: x\(^2\) - 16, x < 2], then S is equal to

A. X = 0
B. X = 1
C. X = 4
D. X = -4

Question 165:

If \(a*b = +\sqrt{ab}\), evaluate \(3*(81*9)\)

A. 9
B. 27
C. 3
D. 72