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Mathematics1995

BECE · 38 questions · Answers included

38 questions

1

P = {prime numbers less than 20} and Q = {odd numbers less than 10}.

2

Convert 104 ten to a binary numeral.

3

What is the H.C.F of 48, 30 and 18?

4

Express 34m 5cm 6mm in millimetres

5

Write 356.07 in standard form.

6

Divide ( 1 1 2 + 1 4 ) by ( 1 1 2 - 1 4 )

7

Which property is illustrated by the statement a × ( b + c ) = a × b + a × c ?

8

How many edges has a cube?

9

What is the mode of the following numbers: 4, 5, 3, 3, 4, 2, 7, 6, 5, 4, 4, 1?

10

What is the rule for the mapping below?

11

Solve 4 x – 6 < -2

12

In a school, 80 pupils wrote an examination and 64 of them passed. What is the percentage of pupils who passed?

13

The interior angle of a regular polygon is 120°. How many sides has the polygon?

14

Kofi throws a die. What is the probability that he throws the number 2?

15

What is the image of -4 under the mapping x → 1 2 x - 2?

16

Find the value of p in the diagram below.

17

Make a subject of the relation P = 2( a + b )

18

What is the value of x in the relation 5 x = 125?

19

Calculate the length of QR in triangle PQR

20

Five cards are numbered one to five. A card is picked at random. What is the probability that it has an even number?

21

If u = ( 2 1 ) and v = ( -1 3 ) , find 3 u + 2 v .

22

Arrange the following fractions in descending order 3 4 , 5 8 , 4 5 , 13 20

23

How many lines of symmetry has a square?

24

If ( x , y ) → ( x , 2 y ), find the image of (2 1 2 , - 1 4 )

25

The ages in years of eight boys are: 14, 14.5, 15, 12, 11.5, 13, 10.5, 13.5.

26

Convert 133 five to a base ten numeral.

27

Find the simple interest on ₵15,000.00 at rate of 20% per annum for 5 years.

28

List all members of the set { x : 2 < x < 8, x is an integer}

29

Simplify 348.94 - 188.34

30

Find the difference between the values of (2 d ) 2 and 2 d 2 when d = 3

31

The heights of two boys are in the ratio 4 : 5. The shorter boy is 80 cm. What is the height of the taller boy?

32

Factorize completely 5 xy + 10 ny

33

If 13 x – 12 = 5 x + 60, find x

34

The length of a spring when a mass of n kg is hung on it is L = (74 + 15 n ) mm. What is the length of the spring when a mass of 1.20kg is hanged on it?

35

In the figure below, triangle ABC is an enlargement of triangle ADE . If | AE | = 20 cm and | EC | = 10 cm. What is the scale factor of the enlargement?

36

Which of the number lines below represents the inequality 2 < x ≤ 6?

37

A cylinder has a radius 6 cm and height 7 cm. Find its volume.

39

A man travelled a distance of 1.2 km in 30 minutes. What distance can he cover in 55 minutes travelling at the same speed?