LCM Practice Set

January 7, 2019 1 Comment
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I.Find the L.C.M. of the following by listing their multiples.

(i) 5, 10, 15

(ii) 4, 10, 12

(iii) 3, 9, 12

(iv) 2, 8, 10

(v) 7, 14, 21

(vi) 10, 20, 25

Answers

I.(i) 30

(ii) 60

(iii) 36

(iv) 40

(v) 52

(vi) 100

II.Find the L.C.M. of the following

(i) 60, 75, 120

(ii) 48, 80, 112

(iii) 18, 54, 72

(iv) 10, 15, 25

(v) 20, 35, 45

(vi) 16, 24, 48

(vii) 3, 2.7, .009

(viii) 0.54, 1.8,7.7

Answers

II.(i) 600

(ii) 1680

(iii) 216

(iv) 150

(v) 1260

(vi) 48

(vii) 27

(viii) 21.6

Find the LCM of followings:-

(i) 70, 110, 150

(ii) 25, 30, 150

(iii) 36, 60, 120

(iv) 30, 150, 300

(v) 25, 45, 105

(vi) 21, 49, 63

Answers

III.(i) 11550

(ii) 150

(iii) 360

(iv) 300

(v) 1575

(vi) 441

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