Test:
Factors II - Challenging
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Question 1:
Solve:
(
9
25
)
1
2
+
(
16
25
)
1
2
−
9
25
+
16
25
A
2
5
B
0
C
1
D
1
2
Question 2:
Solve:
0.09
+
0.81
−
0.49
A
0.2
B
0.6
C
1
D
0.5
Question 3:
Which of the following sets of numbers are the factors of
129
?
A
1
,
3
,
43
,
129
B
1
,
3
,
47
,
129
C
1
,
3
,
63
,
129
D
1
,
129
Question 4:
Which of the following sets of numbers are the factors of
136
?
A
1
,
2
,
3
,
6
,
23
,
46
,
69
,
136
B
1
,
2
,
4
,
16
,
32
,
64
,
136
C
1
,
2
,
3
,
6
,
7
,
18
,
42
,
136
D
1
,
2
,
4
,
8
,
17
,
34
,
68
,
136
Question 5:
Which of the following sets of numbers are prime numbers?
A
71
,
141
,
547
B
33
,
701
,
727
C
73
,
157
,
801
D
97
,
739
,
883
Question 6:
Which of the following sets of numbers are factors of
318
?
A
3
,
6
,
57
B
2
,
6
,
51
C
2
,
3
,
53
D
1
,
3
,
54
Question 7:
11
is a factor of which the following sets of numbers?
A
77
,
144
,
165
B
110
,
166
,
231
C
111
,
154
,
187
D
121
,
187
,
880
Question 8:
Which of the following sets of numbers are prime factors of
486
?
A
2
,
3
B
3
,
5
C
3
D
2
,
3
,
5
Question 9:
Find LCM (the lowest common multiple) of
88
,
99
A
792
B
8712
C
1089
D
396
Question 10:
Find HCF (the highest common factor) of
27
and
81
A
27
B
3
C
9
D
6
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