Aptitude - Problems on H.C.F and L.C.M - Discussion
Discussion Forum : Problems on H.C.F and L.C.M - General Questions (Q.No. 11)
11.
Find the lowest common multiple of 24, 36 and 40.
Answer: Option
Explanation:
2 | 24 - 36 - 40
--------------------
2 | 12 - 18 - 20
--------------------
2 | 6 - 9 - 10
-------------------
3 | 3 - 9 - 5
-------------------
| 1 - 3 - 5
L.C.M. = 2 x 2 x 2 x 3 x 3 x 5 = 360.
Discussion:
21 comments Page 3 of 3.
Yash B said:
1 year ago
@All.
Get large element:
And then(large element/common number)× second largest element.
24, 36 ,40
Large = 40.
Common number that divide all three =4
(40/4) = 10
Second large = 36 × 10 =360.
Get large element:
And then(large element/common number)× second largest element.
24, 36 ,40
Large = 40.
Common number that divide all three =4
(40/4) = 10
Second large = 36 × 10 =360.
(10)
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