1998 WAEC SSCE Mathematics Past Questions

1998

In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50o. Use the diagram to answer question below. (take π = 3.142).Calculate, correct to three significant figures, the area of sector OPQ

1998

In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50o. Use the diagram to answer question below. (take π = 3.142).Calculate correct to one decimal place, the length of arc PQ.

1998

In the diagram PQ is a diameter of circle PMQN center O, if ∠PQM = 63o, find ∠MNQ.

1998

If the exterior angles of quadrilateral are yo, (y + 5)o, (y + 10)o and (y + 25)o, find y

1998

In the diagram, O is the center of the circle and the reflex angle ROS is 264o. Find ∠RTS.

1998

A ladder 5cm long long rest against a wall such that its foot makes an angle 30o with the horizontal. How far is the foot of the ladder from the wall?

1998

Find the value of X if \(cos x = \frac{5}{8}for 0^o\le X\le 180^o\)

1998

In \(sin(X+30)^o=cos40^o\),find X

1998

In the diagram, PQ||SR. Find the value of Z.

1998

In ∆PQR. ∠PQR is a right angle. |QR| = 2cm and ∠PRQ = 60o. Find |PR|.

1998

A box contain 2 white and 3 blue identical balls. If two balls are picked at random, one after the other, without replacement, what is the probability of picking two balls of different colours?

1998

The values of x when y = -1 are approximately

1998

The graph of the quadratic expression

1998

In the diagram above, the area of triangle ABC is 35cm2, find the value of y.

1998

A die with faces numbered 1 to 6 is rolled once. What is the probability of obtaining 4?

1998

The following numbers represent at a set of scores for a class of 32 students, where the maximum score possible was 12, 6, 5, 9, 4, 4, 8, 7, 5, 6, 3, 2, 5, 4, 6, 9, 10, 4, 3, 2, 3, 4, 6, 8, 7, 4, 2, 1, 8, 7, 7, 6, 11. Wh…

1998

Express as a single fraction: \(\frac{x}{x-2}-\frac{x+2}{x+3}\)

1998

In the diagram above, O is the center if the two concentric circle of radii 13cm and 10cm respectively. Find the area of the shaded portion in the sector with angle 1200 at the center.

1998

1998 WAEC SSCE Mathematics Past Questions

In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50o. Use the diagram to answer question below. (take π = 3.142).Calculate, correct to three significant figures, the area of sector OPQ

In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50o. Use the diagram to answer question below. (take π = 3.142).Calculate correct to one decimal place, the length of arc PQ.

In the diagram PQ is a diameter of circle PMQN center O, if ∠PQM = 63o, find ∠MNQ.

If the exterior angles of quadrilateral are yo, (y + 5)o, (y + 10)o and (y + 25)o, find y

In the diagram, O is the center of the circle and the reflex angle ROS is 264o. Find ∠RTS.

A ladder 5cm long long rest against a wall such that its foot makes an angle 30o with the horizontal. How far is the foot of the ladder from the wall?

Find the value of X if \(cos x = \frac{5}{8}for 0^o\le X\le 180^o\)

In \(sin(X+30)^o=cos40^o\),find X

In the diagram, PQ||SR. Find the value of Z.

In ∆PQR. ∠PQR is a right angle. |QR| = 2cm and ∠PRQ = 60o. Find |PR|.

A box contain 2 white and 3 blue identical balls. If two balls are picked at random, one after the other, without replacement, what is the probability of picking two balls of different colours?

The values of x when y = -1 are approximately

The graph of the quadratic expression

In the diagram above, the area of triangle ABC is 35cm2, find the value of y.

A die with faces numbered 1 to 6 is rolled once. What is the probability of obtaining 4?

The following numbers represent at a set of scores for a class of 32 students, where the maximum score possible was 12, 6, 5, 9, 4, 4, 8, 7, 5, 6, 3, 2, 5, 4, 6, 9, 10, 4, 3, 2, 3, 4, 6, 8, 7, 4, 2, 1, 8, 7, 7, 6, 11. Wh…

Express as a single fraction: \(\frac{x}{x-2}-\frac{x+2}{x+3}\)

In the diagram above, O is the center if the two concentric circle of radii 13cm and 10cm respectively. Find the area of the shaded portion in the sector with angle 1200 at the center.

The radius of a geographical globe is 60cm. Find the length of the parallel of latitude 60oN

Given that \(\frac{6x-y}{x+2y}=2\), find the value of \(\frac{x}{y}\)