Waec 1997 Mathematics Past Questions And Answers
Express the true bearing of 250° as a compass bearing
- A. N20° E
- B. S20° E
- C. N20° W
- D. S70° W
It is observed that \(1 + 3 = 2^2, 1 + 3 + 5 = 3^2, 1 + 3 + 5 + 7 = 4^2. \\If \hspace{1mm}1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = P^2 find\hspace{1mm}P\)
- A. 6
- B. 7
- C. 8
- D. 9
lf sin θ= \(\frac{-1}{2}\), find all the values of θ between 0° and 360°.
- A. 120°,240°
- B. 120°,180°
- C. 210°,300°
- D. 210°,330°
Three of the angles of a hexagon are each Xo. The others are each 3Xo. Find X
- A. 30o
- B. 40o
- C. 60o
- D. 80o
Solve me equation: 2/3 (x + 5) = 1/4(5x - 3)
- A. 11/7
- B. 18/23
- C. 3
- D. 7
Cos 65° has the same value as
- A. Sin 65°
- B. Cos 25°
- C. Cos 115°
- D. Cos 295°
If P = {3, 5, 6} and Q = {4, 5, 6} then P∩Q equals
- A. {3, 4}
- B. {4, 5}
- C. {4, 6}
- D. {5, 6}
What is the probability of having an odd number in a single throw of a fair die with the faces numbered 1,2,3,4,5,6?
- A. 5/6
- B. 2/3
- C. 1/2
- D. 1/3
(a)
PQRST is a circle with centre C. PCS is a straight line, RS // QT, |QR| = |RS| and < QTS = 56°. Find (i) SQT (ii) PQT.
(b)
In the diagram, points B and C are on a horizontal plane and |BC| = 30cm. A and D are points vertically above B and C respectively. |DC| = 40 cm and |AB| = 26 cm. Calculate the angles of depression of : (i) B from D ; (ii) A from D ; correct to the nearest degree.
A chord is 5cm from the centre of a circle of diameter 26cm. Find the length of the chord
- A. 16cm
- B. 18cm
- C. 24cm
- D. 25.51cm


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