HCF & LCM Quiz Question Answers Free Online Practice Test – 2

HCF & LCM Quiz Question Answers Free Online Practice Test – Page 2

H.C.F & L.C.M 2

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Question 1
The G.C.D. of 1.08, 0.36 and 0.9 is :
A
0.03
B
0.9
C
0.18
D
0.108
Question 2
The H.C.F. of 0.54, 1.8 and 7.2 is :
A
1.8
B
0.18
C
0.018
D
18
Question 3
The L.C.M. of 3, 2.7 and 0.09 is :
A
2.7
B
0.27
C
0.027
D
27
Question 4
Three numbers are in the ratio 1: 2: 3 and their H.C.F. is 12. The numbers are :
A
4, 8, 12
B
5, 10, 15
C
10, 20, 30
D
12, 24, 36
Question 5
The ratio of two numbers is 3: 4 and their H.C.F is 4. Their L.C.M. is :
A
12
B
16
C
24
D
48
Question 6
The sum of two numbers is 216 and their H.C.F. is 27. The numbers are :
A
27, 189
B
81, 189
C
108, 108
D
152, 162
Question 7
The sum of two numbers is 528 and their H.C.F. is 33. The number of pairs of numbers satisfying the above conditions is :
A
4
B
6
C
8
D
12
Question 8
The number of number-pairs lying between 40 and 100 with their H.C.F.as 15 is :
A
3
B
4
C
5
D
6
Question 9
 The product numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is :
A
101
B
107
C
111
D
185
Question 10
The H.C.F. of two numbers is 12 and their difference is 12. The numbers are :
A
66, 78
B
70, 82
C
94, 106
D
84, 96
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