Waec 1992 Mathematics Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
1

What is the probability of throwing a number greater than 2 with a single fair die

  • A. 1/6
  • B. 1/3
  • C. 1/2
  • D. 2/3
View Discussion (0)WAEC 1992 OBJ
2

(a) If \(17x = 375^{2} - 356^{2}\), find the exact value of x.

(b) If \(4^{x} = 2^{\frac{1}{2}} \times 8\), find x.

(c) The sum of the first 9 terms of an A.P is 72 and the sum of the next 4 terms is 71, find the A.P.

View Discussion (0)WAEC 1992 THEORY
3

A fair die is rolled once. What is the probability of obtaining 4 or 6?

  • A. 1/12
  • B. 1/6
  • C. 1/3
  • D. 1/2
View Discussion (0)WAEC 1992 OBJ
4

(a) The angle of a sector of a circle radius 7cm is 108°. Calculate the perimeter of the sector. [Take \(\pi = \frac{22}{7}\)]

(b) A boat is on the same horizontal level as the foot of a cliff, and the angle of depression of the boat from the top of the cliff is 30°. If the boat is 120m away from the foot of the cliff, find the height of the cliff correct to three significant figures.

View Discussion (0)WAEC 1992 THEORY
5

Simplify: \((\frac{16}{81})^{\frac{1}{4}}\)

  • A. 8/27
  • B. 1/3
  • C. 4/9
  • D. 2/3
View Discussion (0)WAEC 1992 OBJ
6

Three balls are drawn one after the other with replacement, from a bag containing 5 red, 9white and 4 blue identical balls, What is the probability that they are one red, one white and one blue?

  • A. 5/102
  • B. 5/136
  • C. 5/162
  • D. 5/204
View Discussion (0)WAEC 1992 OBJ
7

Simplify (3/4 +1/3) x 41/3 + 31/4

  • A. 1/2
  • B. 13/12
  • C. 10/9
  • D. 13/9
View Discussion (0)WAEC 1992 OBJ
8

(a) If \(9^{2x - 1} = \frac{81^{x - 2}}{3^{x}}\), find x.

(b) Without using Mathematical Tables, evaluate: \(\sqrt{\frac{0.81 \times 10^{-5}}{2.25 \times 10^{7}}}\)

View Discussion (0)WAEC 1992 THEORY
9

Points X and Y are respectively 12m Nonh and 5m of point Z. Calculate XY

  • A. 7m
  • B. 12m
  • C. 13m
  • D. 17m
View Discussion (0)WAEC 1992 OBJ
10

(a) Using a ruler and a pair of compasses only, construct: (i) a triangle ABC such that |AB| = 5cm, |AC| = 7.5cm and < CAB = 120°; (ii) the locus \(l_{1}\) of points equidistant from A and B; (iii) the locus \(l_{2}\) of points equidistant from AB and AC which passes through triangle ABC .

(b) Label the point P where \(l_{1}\) and \(l_{2}\) intersect.

(c) Measure |CP|.

View Discussion (0)WAEC 1992 THEORY