LCM & HCF SSC CGL Questions

SSC CGL-Quantitative Aptitude

LCM & HCF MCQ Questions


7.
LCM of two numbers is 22 times their HCF. If one of the numbers is 132 and the sum of LCM and HCF is 276, then what is the other number?
SSC CGL 2021-18.04.2022-3
A.
24
B.
30
C.
25
D.
20
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ANSWER :
A. 24
8.
Three numbers are in the proportion of 3:8:15 and their LCM is 8280. What is their HCF?
SSC CGL 2021-19.04.2022-1
A.
60
B.
69
C.
75
D.
57
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ANSWER :
B. 69
9.
What is the LCM of 3.6, 1.8 and 0.144?
SSC CGL 2021-19.04.2022-2
A.
3.6
B.
36
C.
3600
D.
360
😑 View Answer Rough Work Error
ANSWER :
A. 3.6
10.
LCM and HCF of two numbers ace 90 and 15, respectively. If the sum of the two numbers is 75, then find the greater number.
SSC CGL 2021-21.04.2022-3
A.
45
B.
90
C.
75
D.
60
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ANSWER :
A. 45
11.
The HCF of two numbers is 12. Which one of the following can never be their LCM?
SSC CGL 2022-01.12.2022-1
A.
72
B.
60
C.
90
D.
84
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ANSWER :
C. 90
12.
Two numbers are in the ratio of 6: 5. If their HCF is 3, then what is the LCM of the two numbers?
SSC CGL 2022-01.12.2022-3
A.
64
B.
110
C.
90
D.
80
😑 View Answer Rough Work Error
ANSWER :
C. 90