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15 vote

The LCM and the HCF of the numbers 28 and 42 are in the ratio:

Asked on by | Votes 15 | Views: 1338 | Tags: mathematics     | hcf and lcm     | quantitative aptitude     | ssc     | Add Bounty

The LCM and the HCF of the numbers 28 and 42 are in the ratio:
1). 6:1
2). 2:3
3). 3:2
4). 7:2

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2 answers

27 vote
Answered by on | Votes 27 |

option 1 is the right answer

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22 vote
Answered by on | Votes 22 |
L.C.M. of 28 and 42 = 2 × 2 × 7 × 3 = 84 H.C. F. of 28 and 42 H.C. F = 14 Required ratio = $\frac{84}{14}$ = 6:1




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