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Mathematics UTME / JAMB 2020 Statistics (Data Representation, Central Tendency & Dispersion)
The acres for rice, pineapple, cassava, cocoa and palm oil in a certain district are given respectively as 2, 5, 3, 11 and 9. What is the angle of the sector of cassava in a pie chart?
A
180\(^o\)
B
36\(^o\)
C
60\(^o\)
D
108\(^o\)
medium Difficulty
Mathematics UTME / JAMB 2020 Sequences & Series (AP & GP)
Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio
A
\(\frac{3}{2}\)
B
\(\frac{2}{3}\)
C
\(\frac{1}{2}\)
D
\(\frac{1}{4}\)
medium Difficulty
Mathematics UTME / JAMB 2020 Sets, Logic & Venn Diagrams
In a class of 40 students, 32 offer mathematics, 24 offer physics and 4 offer neither mathematics nor physics. How many offer both mathematics and physics?
A
4
B
8
C
16
D
20
medium Difficulty
Mathematics UTME / JAMB 2020 Plane Geometry, Polygons & Circle Theorems
The sum of the interior angle of pentagon is 6x + 6y. Find y in terms of x.
A
y = 6 - x
B
y = 90 - x
C
y = 120 - x
D
y = 150 - x
medium Difficulty
Mathematics UTME / JAMB 2020 Statistics (Data Representation, Central Tendency & Dispersion)
The mean age group of some students is 15years. When the age of a teacher, 45 years old, is added to the ages of the students, the mean of their ages become 18 years. Find the number of students in the group.
A
7
B
9
C
15
D
42
medium Difficulty
Mathematics UTME / JAMB 2020 Trigonometry, Elevation & Bearings
A surveyor walks 500m up a hill which slopes at an angle of 30\(^o\). Calculate the vertical height through which he rises
A
252m
B
500m
C
250m
D
255m
medium Difficulty
Mathematics UTME / JAMB 2020 Indices, Logarithms & Surds
Find the non-zero positive value of x which satisfies the equation \(\begin{bmatrix} x & 1 & 0 \\ 1 & x & 1 \\ 0 & 1 & x \end{bmatrix}\) = 0
A
2
B
\(\sqrt{3}\)
C
\(\sqrt{2}\)
D
1
medium Difficulty
Biology UTME / JAMB 2020 Variety of Organisms & Classification of Living Things
Use the diagram to answer the question. The structure labelled i is
Attached Figure / Diagram
Question diagram
A
photosensitive
B
radiosensitive
C
chemoreceptive
D
tactile
medium Difficulty
Biology UTME / JAMB 2020 Nervous, Hormonal Coordination & Sense Organs
The hormone which regulates the amount of glucose in the blood is called?
A
Adrenalin
B
Auxin
C
Insulin
D
Thyroxine
medium Difficulty
Biology UTME / JAMB 2020 Excretion & Homeostasis
Deamination occurs in the?
A
Kidney
B
Pancreas
C
Spleen
D
Liver
medium Difficulty
Biology UTME / JAMB 2020 Basic Ecological Concepts, Ecosystems & Biomes
In an agricultural ecosystem, the biotic component consist of
A
crops, pests and beneficial insects
B
crops, temperature and humidity
C
pests, beneficial insects and water
D
crops, water and soil
medium Difficulty
Biology UTME / JAMB 2020 Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Epiphytes growing on the branches of trees provide an example of the relationship known as?
A
parasitism
B
commensalism
C
saprophytism
D
holophytism
medium Difficulty
Biology UTME / JAMB 2020 Variety of Organisms & Classification of Living Things
The hypha of rhizopus is said to be non-septate because it
A
does not contain chloropyll
B
has no cross wall
C
is vacuoled
D
stores oil globus
medium Difficulty
Biology UTME / JAMB 2020 Cell Structure, Organization & Cell Division
The function of ribosome in cells is
A
protein synthesis
B
starch synthesis
C
transport of material
D
lipid storage
medium Difficulty
Biology UTME / JAMB 2020 Reproduction in Plants & Animals
In which of the following does external fertilization take place?
A
toad
B
lizard
C
bird
D
cockroach
medium Difficulty
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