WAEC SSCE - General Mathematics - 1988 (Objective)

A water tank is made with a right-angled trapezium - shaped vertical cross-section so that when it is placed on sloping ground the top of the tank is level. The dimension are given in the diagram above
By what number will you multiply your answer in 22 above to determine the capacity of the tank in liters?

The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname

Which of the following is a correct method for constructing an angle of 60^o at Q?

A ladder 9m long leans against a vertical wall, making an angle of 64° with the horizontal ground. calculate correct to one decimal place, how far the foot of the ladder is from the wall.

Which of the regions P, Q, R, S and T satisfies the following 0 < y < 1, y < x + 2, x < 0

What is the difference in longitude between P (lat. 50°N. long. 50°W) and Q (lat.50°N, long. 150°W)?

Simplify 36\(^\frac{1}{2}\) x 64\(-^\frac{1}{3}\) x 5\(^0\)

IN the diagram above, LK/PQ, reflex angle KLM = 241° and ?QPM = 89°. What is the value of ?LMP?

A rope of length 18m is used to form a sector of a circle of radius 3.5m on a school playing field. What is the size of the angle of the sector, correct to the nearest degree?

In the diagram above, O is the center of the circle, BOC is a diameter and angle ADC is 37o
What is ACB?

In the diagram above, O is the centre of the circle through points L, M and N, if ?MLN = 74o and ?MNL = 39o, calculate ?LON.

The histogram below shows the number of candidates, in thousands, obtaining given ranges of marks in a State examination. Find the total number of candidates that sat for the examination

A group of students took a test and the following frequency table shows the scores above

The mean score is

A water tank is made with a right-angled trapezium - shaped vertical cross-section so that when it is placed on sloping ground the top of the tank is level. The dimension are given in the diagram above
If the tank is completely filled with water, how many cubic metres can it hold?

The histogram below shows the number of candidates, in thousands, obtaining given ranges of marks in a State examination. How many candidates scored at most 30%?

In the diagram above, PR is perpendicular from P to QS, PQ = 2cm, QR = 1cm and PR = RS. what is the size of the angle QPS?

A group of students took a test and the following frequency table shows the scores above

The median score is

If Q = (all perfect squares less than 30) and P = (all odd numbers from 1 to 10). Find Q ∩ P.

A group of students took a test and the following frequency table shows the scores above
Find the mode

If cos 60° = 1/2, which of the following angle has cosine of -1/2?

In the diagram above, find the ratio |PQ|/|PR|

The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname

Calculate the value of x in the diagram above

Find the product xy if, x, 3/2, 6/7, y are in G.P

Points P and Q respectively 24m north and 7m east point R. Calculate |PQ| in meters

The number 186,470 was corrected to 186,000. Which of the following describe the degree of approximation made?
I. to the nearest hundred II. to the nearest thousand III. to 3 significant figures IV. to 4 significant figures

Points P and Q respectively 24m north and 7m east point R. What is the bearing of Q from P to the nearest whole degree?