Test:
Factors II - Normal
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Question 1:
Solve:
16
+
25
A
9
B
6.4
C
41
D
11
Question 2:
Solve:
2
2
⋅
3
2
⋅
5
2
A
800
B
60
C
900
D
100
Question 3:
Which of the following sets of numbers are factors of
54
?
A
1
,
2
,
3
,
9
,
12
,
24
,
27
,
54
B
1
,
2
,
6
,
9
,
14
,
18
,
27
,
54
C
1
,
2
,
3
,
6
,
9
,
18
,
27
,
54
D
1
,
2
,
3
,
6
,
12
,
27
,
54
Question 4:
Which of the following sets of numbers are factors of
46
?
A
1
,
2
,
23
,
46
B
1
,
2
,
4
,
6
,
9
,
46
C
1
,
2
,
6
,
8
,
46
D
1
,
2
,
3
,
12
,
46
Question 5:
Which of the following sets of numbers are prime numbers?
A
13
,
19
,
51
B
11
,
17
,
53
C
3
,
7
,
14
D
5
,
23
,
57
Question 6:
Which of the following sets of numbers are factors of
18
?
A
1
,
2
,
3
,
4
,
6
,
9
B
2
,
3
,
4
,
6
,
9
C
1
,
2
,
3
,
6
,
9
,
18
D
1
,
2
,
3
,
9
,
12
,
18
Question 7:
7
is a factor of which of the following sets of numbers?
A
7
,
21
,
27
B
28
,
41
,
56
C
21
,
49
,
57
D
42
,
77
,
84
Question 8:
Which of the following sets of numbers are prime factors of
120
?
A
2
,
3
,
5
B
1
,
2
,
3
,
5
C
1
,
2
,
3
,
7
D
2
,
3
,
7
Question 9:
Find LCM (the lowest common multiple) of
45
and
55
A
365
B
495
C
110
D
245
Question 10:
Find HCF (the highest common factor) of
60
and
75
A
25
B
15
C
5
D
10
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