HCF and LCM Word Problems
Authored by vindhya vasini
Mathematics
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The HCF of two numbers is 6 and their LCM is 72. If one of the numbers is 24, find the other number.
48
36
18
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The product of two numbers is 840 and their HCF is 20. If one of the numbers is 40, find the other number.
The other number is 840 / (40 * 40) = 840 / 1600 = 0.525
The other number is 840 / (40 - 20) = 840 / 20 = 42
The other number is 840 / (40 * 20) = 840 / 800 = 1.05
The other number is 840 / (40 + 20) = 840 / 60 = 14
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The HCF of two numbers is 5 and their LCM is 60. If one of the numbers is 15, find the other number.
20
25
10
30
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The HCF of two numbers is 9 and their LCM is 144. If one of the numbers is 36, find the other number.
72
45
24
18
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The HCF of two numbers is 7 and their LCM is 77. If one of the numbers is 21, find the other number.
28
42
35
49
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The HCF of two numbers is 4 and their LCM is 36. If one of the numbers is 12, find the other number.
72
18
30
24
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The HCF of two numbers is 10 and their LCM is 120. If one of the numbers is 30, find the other number.
60
40
20
50
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