Question Library

Browse, filter, and study verified past examination questions with step-by-step mathematical reasoning.

Launch Interactive Practice
Searching 18,000+ Questions... Sifting topics, KaTeX formulas & verified solutions
Showing 4981–4995 of 29821 verified questions
Sort by:
Biology WAEC / WASSCE 2020 Reproduction in Plants & Animals
Study Specimens E, F, and H and answer questions 2(a) to 2(f). (a) What types of fruits are specimens E, F, and H? E: _________ F:_________ H: ___________ (b) Name the types of placentation possessed by each of specimens E, F and H: (c) Name one agent of dispersal each of specimens E, F and H? E: H: F: F: (d)(i) Explain briefly how specimen E is dispersed. (ii) State two types of nutrients present in specimen E. (e)(i) What is the color of specimen H? (ii) What does the color of specimen H signify? (f) Using the scalpel/blunt knife provided, cut open specimen H along the line of split from one side only. (i) Name the type of placentation found in specimen H. (ii) Make a drawing, 6 cm to 8 cm long of the two split halves of specimen H while still joined at one length and label fully.
medium Difficulty
Mathematics WAEC / WASSCE 2019 Plane Geometry, Polygons & Circle Theorems
In the diagram, RT is a tangent to the circle at R, < PQR = 70\(^o\), < QRT = 52\(^o\), < QSR and < PRQ = x. Calculate the value of x.
Attached Figure / Diagram
Question diagram
A
70\(^o\)
B
58\(^o\)
C
55\(^o\)
D
48\(^o\)
medium Difficulty
Mathematics WAEC / WASSCE 2019 Plane Geometry, Polygons & Circle Theorems
In the diagram, PQ is parallel to RS, < QFG = 105\(^o\) and < FEG = 50\(^o\). Find the value of n
Attached Figure / Diagram
Question diagram
A
40\(^o\)
B
55\(^o\)
C
75\(^o\)
D
130\(^o\)
medium Difficulty
Mathematics WAEC / WASSCE 2019 Fractions, Decimals, Percentages & Approximations
Evaluate: \(\frac{0.42 \div 2.5}{0.5 \times 2.05}\), leaving the answer in the standard form.
A
1.639 x 10\(^2\)
B
1.639 x 10\(^1\)
C
1.639 x 10\(^{-1}\)
D
1.639 x 10\(^{-2}\)
medium Difficulty
Mathematics WAEC / WASSCE 2019 Sets, Logic & Venn Diagrams
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}
medium Difficulty
Mathematics WAEC / WASSCE 2019 Plane Geometry, Polygons & Circle Theorems
In XYZ, |YZ| = 32cm, < YXZ 53\(^o\) and XZY = 90\(^o\). Find, correct to the nearest centimetre, |XZ|
Attached Figure / Diagram
Question diagram
A
31 cm
B
25 cm
C
20 cm
D
13 cm
medium Difficulty
Mathematics UTME / JAMB 2019 Statistics (Data Representation, Central Tendency & Dispersion)
The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?
Attached Figure / Diagram
Question diagram
A
100
B
79
C
150
D
90
medium Difficulty
Mathematics WAEC / WASSCE 2019 Statistics (Data Representation, Central Tendency & Dispersion)
8, 18, 10,14, 18, 11, 13, 14, 13, 17, 15, 8, 16, and 13 The following are scores obtained by some students in a test. How many students scored above the mean score?
A
10
B
9
C
8
D
7
medium Difficulty
Mathematics WAEC / WASSCE 2019 Permutations, Combinations & Probability
A box contains 2 white and 3 blue identical balls. If two balls are picked at random from the box, one after the other with replacement, what is the probability that they are of different colours?
A
\(\frac{2}{3}\)
B
\(\frac{3}{5}\)
C
\(\frac{7}{20}\)
D
\(\frac{12}{25}\)
medium Difficulty
Physics UTME / JAMB 2019 Calorimetry, Latent Heat & Change of State
A metal rod has a length of 100cm at 200°C. At what temperature will its length be 99.4cm. If the linear expansivity of the material of the rod is 2 × 10\(^{-5}\)C\(^{-1}\)
A
\(300^0C\)
B
\(200^0C\)
C
\(100^0C\)
D
\(-100^0C\)
medium Difficulty
Physics WAEC / WASSCE 2019 Calorimetry, Latent Heat & Change of State
Which of the following thermometers is used to measure the temperature of the human body?
A
Thermocouple
B
Alcohol-in-glass thermometer
C
Gas thermometer
D
Platinum resistance thermometer
medium Difficulty
Physics WAEC / WASSCE 2019 Circular Motion, Gravitation & Simple Harmonic Motion
An electron of mass 9.1 x 10\(^{-31}\) kg moves with a speed of 2.0 x 10\(^6\) ms\(^{-1}\) round the nucleus of an atom in a Circular path of radius 6.1 x 10(^{11}\) m. Determine the angular speed of the electron.
A
3.28 x 10\(^{16}\) rad s\(^{-1}\)
B
8.55 x 10\(^{3}\) rad s\(^{-1}\)
C
9.11 x 10\(^{13}\) rad s\(^{-1}\)
D
5.22 x 10\(^{15}\) rad s\(^{-1}\)
medium Difficulty
Physics UTME / JAMB 2019 Equilibrium of Forces, Moments & Flotation
The diagram shows a uniform meter rule AB which balances horizontally at the 90cm mark when a mass of 0.2kg is suspended from B. Calculate the mass of the meter rule.
Attached Figure / Diagram
Question diagram
A
0.05kg
B
0.20kg
C
0.80kg
D
1.00kg
medium Difficulty
Physics WAEC / WASSCE 2019 Newton's Laws, Momentum & Collisions
In an elastic collision, momentum is conserved as well as well as?
A
velocity
B
kinetic energy
C
potential energy
D
speed
medium Difficulty
Physics UTME / JAMB 2019 Circular Motion, Gravitation & Simple Harmonic Motion
A siren having a ring of 200 hole makes 132 rev/min. A jet of air is directed on the set of holes. Calculate the frequency and wavelength in air of the note produced (take v = 350m/s)
A
0.795m
B
0.625m
C
0.335m
D
0.125m
medium Difficulty
Page 333 of 1989