Waec 2019 Mathematics Past Questions And Answers
In the diagram, PQ is parallel to RS, ∠QFG = 105° and ∠FEG = 50°. Find the value of n
- A. 40°
- B. 55°
- C. 75°
- D. 130°
Find the angle at which an arc of length 22 cm subtends at the centre of a circle of radius 15cm. [Take \(\pi = \frac{22}{7}\)]
- A. 70\(^o\)
- B. 84\(^o\)
- C. 96\(^o\)
- D. 156\(^o\)
A box contains 5 red, 6 green and 7 yellow pencils of the same size. What is the probability of picking a green pencil at random?
- A. \(\frac{1}{6}\)
- B. \(\frac{1}{4}\)
- C. \(\frac{1}{3}\)
- D. \(\frac{1}{2}\)
The curve y = 7 - \(\frac{6}{x}\) and the line y + 2x - 3 = 0 intersect at two point. Finf the;
(a) coordinates of the two points
(b) equation of the perpendicular bisector of the line joining the two points
View Discussion (0)WAEC 2019 THEORYIf log\(_x\) 2 = 0.3, evaluate log\(_x\) 8.
- A. 2.4
- B. 1.2
- C. 0.9
- D. 0.6
If T = {prime numbers} and M = {odd numbers} are subsets of \(\mu\) = {x : 0 < x≤10} and x is an integer, find (T\(^{\prime}\) n M\(^{\prime}\)).
- A. {4, 6, 8, 10}
- B. {1. 4, 6, 8, 10}
- C. {1, 2, 4, 6, 8, 10}
- D. {1, 2, 3, 5, 7, 8, 9}
Find the constant term in the binomial expansion of (2x\(^2\) + \(\frac{1}{x^2}\))\(^4\)
- A. 10
- B. 12
- C. 24
- D. 42
From the top of a vehicle cliff 20m high, a boat at sea can be sighted 75m away and on the same horizontal position as the cliff. Calculate, correct to the nearest degree, the angle of depression of the boat from the top of the cliff.
- A. 56°
- B. 75°
- C. 16°
- D. 15°
Solve, correct to three significant figures, (0.3)\(^x\) = (0,5)\(^8\)
- A. 4.61
- B. 4.606
- C. 0.461
- D. 0.0130
Given that X and Y are independent events such that P(X) = 0.5, P(Y) = m and P(X U Y) = 0.75, find the value of m.
- A. 0.6
- B. 0.5
- C. 0.4
- D. 0.3