The length of metallic rod K is
34 of the length of metallic rod N and the length of metallic rod N is
35 of the length of metallic rod L and
36 of the length of metallic rod M. What fraction of the total length of the 4 metallic rods is metallic rod L?
K |
N |
L |
M |
Total |
3x3 |
4x3 |
|
|
|
|
3x4 |
5x4 |
|
|
|
3x4 |
|
6x4 |
|
9 u |
12 u |
20 u |
24 u |
65 u |
The length of metallic rod N is repeated. Make the length of metallic rod N the same. LCM of 4 and 3 is 12.
Total length of all the 4 metallic rods
= 9 u + 12 u + 20 u + 24 u
= 65 u
Metallic Rod LTotal Length =
2065 =
413Answer(s):
413