11 March 2011

Whole Numbers and Number Patterns Test

1 Which of the following numbers has the digit 7 in the place value of hundreds?
A 73
B 4 782
C 57 196
D 96 347

2 All the numbers below have the digit 9 in the place value of tens except
A 96
B 4 985
C 1 294
D 590

3. 390 + 91 ÷ 13 – 30 =
A 7
B 87
C 168
D 367

4. Which of the following statements are true about the number 93 850?
I The place value of 9 is ten thousands.
II The place value of 3 is 3 000.
III The value of digit 8 is hundreds.
IV The value of digit 5 is 50.

A I and II only
B I and III only
C I and IV only
D II and III only

5 Manap has 42 marbles, which is 13 marbles more than Nathan has but is 4 marbles less than Paul has. To begin a game, they agree to divide the marbles equally among them. The number of marbles each of them will receive is
A 35
B 39
C 41
D 45

6 886 – 4 x 144 ÷ 16 =
A 98
B 358
C 850
D 7 938

7 15 + 25 x 50 – 25 =
A 750 C 1 240
B 1 000 D 1 975

8 The number 94 991 rounded off to the nearest thousand is
A 94 900
B 94 990
C 95 000
D 95 900

9 The first 4 multiples of 11 are
A 1, 11, 22, 33
B 11, 22, 33, 44
C 11, 33, 55, 77
D 22, 44, 66, 88

10 8 380 is divisible by the following numbers except
A 4 C 8
B 5 D 19

11 2, 4, 6, 8, 10, . . . is a list of
A odd numbers
B even numbers
C common factors of 100
D the first six prime numbers

12 What is the pattern of the number sequence below?
18, 25, 32, . . .
A Subtract 8
B Divide by 2
D Multiply by 3

13 y is a common multiple of 3 and 5. y is also 3 times the product of the 2 numbers. Calculate the value of y.
A 8
B 15
C 30
D 45

14 State all the prime numbers between 15 and 40.
A 13, 17, 19, 23, 29, 31, 37
B 16, 17, 19, 23, 29, 31, 37
C 17, 19, 23, 31
D 17, 19, 23, 29, 31, 37

15 A given lamp lights up every 9 seconds while a given bell rings every 12 seconds. If the lamp and the bell are switched on at the same time, how long will it take for them to light up and ring together?
A. 36 sec
B. 30 sec
C. 21 sec
D. 3 sec

16 If the LCM of 5 and x is 35, find x.
A 9
B 25
C 35
D 40

17 The number of common multiples of 3 and 4 which are less than 100 is
A 8
B 9
C 10
D 11

18 Given that 4 ia a factor of y and y is a factor of 128, the value of y is
A 2
B 12
C 20
D 32

19 The prime factors of 189 are
A 3 and 7
B 3 and 9
C 7 and 9
D 7 and 11

20 Given that p + 3 is the highest common factor of 16 and 28, the value of p is
A 1
B 3
C 4
D 5

21 Which of the following are prime numbers from 60 to 70?
A 61 and 67
B 63 and 69
C 61, 63, 65 and 67
D 61, 63, 67 and 69

22 396 written as a product of its prime factors is
A 2 x 3 x 11
B 4 x 9 x 11
C 2 x 2 x 9 x 11
D 2 x 2 x 3 x 3 x11

23 Which of the following are not common multiples of 9 and 12?
A 36 and 360
B 36 and 144
C 60 and 120
D 72 and 180

24 45 x 67 =
A 3 015
B 3 035
C 3 025
D 3 045

25 A boat can carry 18 passengers. Find the number of boats required to carry 54 passengers.
A 1
B 2
C 3
D 4

26 Find the sum of all the common prime factors of 6, 18 and 24.
A 6
B 5
C 13
D 8

27 All the factors of 12 are
A 2, 3, 4, 6, 12
B 1, 2, 3, 4, 6, 12
C 2, 3, 4, 6
D 1, 2, 3, 4, 6

28 Find the HCF of 9, 45 and 108.
A 3
B 6
C 9
D 45

29 The LCM of 8, 16 and 32 is
A 64
B 32
C 8
D 6

30 ( 767 – 677 ) x ( 123 + 877 ) ÷ 300 =
A 30
B 300
C 3 000
D 30 000

1 Find the value of 456 - 9 - 99 =

2 What is the highest common factor of 8, 12 and 32?

3 State the prime numbers between 30 and 40.

4 List all the common factors of 16, 24 and 32.

5 Calculate the sum of all the prime factors of 105.

6 List all the factors of 81.

7 Puan Rahimah had RM 75. She spent RM 18 to buy a pair of shoe. She then bought 5 towels for RM 8 each. How much money had she left?

8 Encik Salleh bought 15 boxes of pencils that contain 12 pencils per box. The pencils were distributed among the 36 pupils equally. Calculate the number of pencils each pupil received.

9 List the first 5 multiples of 6.

10 List the first four prime numbers larger than 70.