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S1 Mathematics

Question post on Sun, 21/01/2018 3:55pm

Find three pairs of numbers such that the LCM of each pair of number is 24

SAHMom · Answer 1 · Post on Sun, 21/01/2018 9:10pm

SAHMom Post on Sun, 21/01/2018 9:10pm

24 = 2 x 3 x 4

Pair #1 : 3 and 8

Pair #2 : 3 and 24

Pair #3: 8 and 24

Khong Pek Mao · Answer 2 · Post on Mon, 22/01/2018 6:01pm

This is a LCM question.

Factor of 24

1 x 24

2 x 12

3 x 8

4 x 6

So other than 1 x 24, you can choose 2 x 12, 3 x 8 and 4 x 6.

SAHMom · Answer 3 · Post on Mon, 22/01/2018 6:17pm

SAHMom Post on Mon, 22/01/2018 6:17pm

Hi.

LCM of 2 and 12 is 12, not 24.

LCM of 4 and 6 is 12, not 24.