2020 WAEC (WASSCE) Mathematics Past Questions

After each of the following sentence, a list of possible interpretations is given. choose the interpretation that you consider most appropriate for each sentence He was advised to pull himself together. This means that he was advised to

1. A.keep his plans secret
2. B.change his mind
3. C.control himself✓ Correct
4. D.keep the matter to himself

Find the volume of a cone of radius 3.5cm and vertical height 12cm [Take π = 22/7]

1. A.3.4cm3
2. B.15.5cm3
3. C.21.0cm3✓ Correct
4. D.42.0cm3
5. E.154.0cm3

N140,000 is shared between ABU, Kayode and Uche. Abu has twice as much as Kayode, and Kayode has twice as much as Uche. What is Kayode's share?

1. A.N80,000
2. B.N40,000
3. C.N20,000
4. D.N10,000✓ Correct

Find the 7th term of the sequence: 2, 5, 10, 17, 26,...

1. A.37✓ Correct
2. B.48
3. C.50
4. D.63

Find the equation of a straight line passing through the point (1, -5) and having gradient of $\frac{3}{4}$

1. A.3x + 4y - 23 = 0✓ Correct
2. B.3x + 4y +23 = 0
3. C.3x - 4y +23 = 0
4. D.3x - 4y - 23 = 0

When the pressure of a fixed mass of gas is doubled at constant temperature, the volume of the gas is

1. A.increased four times
2. B.doubled
3. C.unchangeable
4. D.halved✓ Correct

X and Y are

1. A.Antonio and Alonso
2. B.Sebastian and Alonso✓ Correct
3. C.Antonio and Gonzalo
4. D.Sebastian and Gonzalo

From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences: When I arrived, I noticed that he.............the kitchen

1. A.had swept
2. B.has swept
3. C.is sweeping✓ Correct
4. D.will sweep

From the words lettered A to D, choose the word or group of words that best completes each of the following sentences. The issue on....I disagreed with him is very simple

1. A.what
2. B.whom✓ Correct
3. C.which
4. D.whose

Taking over power, military governments disregard democratic protocols and rule mainly by

1. A.A. decrees
2. B.B. popular acclamation
3. C.C. jury
4. D.D. court martial✓ Correct