Match the given numbers to their Least Common Multiple (LCM).Choose the letter of the correct answer
A. B.
1.) 7, 14 A. 28
2.)10, 35 B. 14
3.)6, 8, 9 C. 36
4.)4, 9, 12 D. 70
5.) 4, 8, 12 E. 150
6.) 10, 12, 15 F. 10
7.) 2, 5, 10 G. 72
8.)2, 4, 7, 14 H. 18
9.) 2, 3, 9 I. 24
10.) 10,15,25 J. 60
ANSWER THE FOLLOWING QUESTIONS. WRITE YOUR ANSWER ON THE BLANK PROVIDED.
________1.Find the greatest length of a rod which can measure exactly 42m, 49m, and 48m
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Answer:
1.) B
2.)D
3.)G
4.)C
5.)I
6.)J
7.)F
8.)A
9.)H
10.)E
Verified answer
1. B
7 | 7 14
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| 1 2
LCM: 7×2×1= 14
2. D
5 | 10 35
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| 2 7
LCM: 7×5×2= 70
3. G
3 | 6 8 9
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2 | 2 8 3
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| 1 4 3
LCM: 4×3×3×2×1= 72
4. C
4 | 4 9 12
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3 | 1 9 3
----------------
| 1 3 1
LCM: 4×3×3×1×1= 36
5. I
4 | 4 8 12
-------------
| 1 2 3
LCM: 4×3×2×1= 24
6. J
5 | 10 12 15
-----------------
3 | 2 12 3
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2 | 2 4 1
------------------
| 1 2 1
LCM: 5×3×2×2×1×1= 60
7. F
5 | 2 5 10
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2 | 2 1 2
----------------
| 1 1 1
LCM: 5×2×1×1×1= 10
8. A
7 | 2 4 7 14
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2 | 2 4 1 2
----------------
| 1 2 1 1
LCM: 7×2×2×1×1×1= 28
9. H
3 | 2 3 9
---------------
| 2 1 3
LCM: 3×3×2×1= 18
10. E
5 | 10 15 25
-----------------
| 2 3 5
LCM: 5×5×3×2= 150
7 | 42 49 84
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| 6 7 12
GCF; 7