Third Term Examination Mathematics SS 2 – Exam Questions
THIRD TERM EXAMINATION
MATHEMATICS
SENIOR SECONDARY SCHOOLS (SS 1)
SECTION A
Answer all questions.
1. Express 0.00349 in a standard form.
(a) 34.9 x 10^-4
(b) 3.49 x 10^-3
(c) 0.003 x 10^-3
(d) 349 x 10^-5
Use the frequency table below to answer questions 2 – 4.
Scores 15 20 25 30 35
Frequency 5 4 2 7 2
2. Find the mean of the scores.
(a) 5
(b) 7
(c) 25
(d) 4
3. Find the median of the scores.
(a) 5
(b) 7
(c) 25
(d) 4
4. What is the mode of the scores?
(a) 5
(b) 7
(c) 25
(d) 4
5. ____________ means uncertainty.
(a) Discount
(b) Probability
(c) Dimension
(d) Construction
6. ……………………………………………………………………….
(a) x ≤ 3
(b) x < 3
(c) x ≥ 3
(d) x > 3
7. 2x + 3x + 58° + 90° + 12° = 360°. Find x.
(a) 15
(b) 12
(c) 20
(d) 10
8. The sum of two angles equals 90° is called ____________.
(a) supplementary
(b) complementary
(c) opposite
(d) transversal
9. Convert 42two to base ten.
(a) 5410
(b) 4510
(c) 4710
(d) 5010
10. In ABC, A = 29°, B = 36°, B = 15.8cm. Find a.
(a) 13.0cm
(b) 13.1cm
(c) 0.02cm
(d) 15.2cm
11. All are solid shapes except ____________.
(a) cuboids
(b) cube
(c) triangle
(d) pyramid
12. Angle of elevation is the angle the observer stands to look ____________.
(a) up
(b) down
(c) right
(d) left
13. ____________ are made up of rows and columns.
(a) Vertices
(b) Modules
(c) Matrices
(d) Probability
14. Simplify: 3/4 + 31/5 – 5/6.
(a) 31/30
(b) 31/15
(c) 31/60
(d) 31/12
15. The length of arc is calculated using ____________.
(a) Ө/360 x 2Л²
(b) Ө/360 x Л²
(c) Ө/360 x 2Лr²
(d) Ө/360 x 2Лrh
16. A box of 20 balls (4 red, 12 green, 4 yellow). What is the probability of picking red?
(a) 1/5
(b) 3/5
(c) 2/5
(d) 4/10
17. What is the probability of picking green ball?
(a) 1/5
(b) 3/5
(c) 2/5
(d) 4/10
18. The area of sector is calculated using ____________.
(a) Ө/360 x 2Лr
(b) Ө/360 x Лr²
(c) Ө/360 x 2Лr²
(d) Ө/360 x 2Лrh
19. ____________ is the area of a cylinder.
(a) Лr²
(b) 2Лr²
(c) 2Лr
(d) Лr²h
20. Find the area of cuboid of 5cm long, 6cm wide and 7cm deep.
(a) 210cm
(b) 30cm
(c) 35cm
(d) 240cm
SECTION B
Answer all questions.
QUESTION 1
A. Differentiate between the two triangles below using angle of elevation, angle of depression and observer’s view.
B. State the volume of:
I. Cube
II. Cuboid
III. Cylinder
QUESTION 2
A. Calculate the length of arc of angle 70° and radius of 7cm.
B. Find the radius of length of arc of 21cm and angle of 60°.
C. Calculate the volume of the shape given:
QUESTION 3
There are 50 shoes in a carton; 10 blue shoes, 10 red shoes, 15 black shoes, 5 white shoes and 10 green shoes. When picked randomly, what is the probability of picking.
A. Red shoe
B. Green shoe
C. Neither white nor black shoe
D. Either blue or green shoe
E. Grey shoe
QUESTION 4
Solve the following matrices: