The length of metallic rod L is
23 of the length of metallic rod P and the length of metallic rod P is
14 of the length of metallic rod M and
19 of the length of metallic rod N. What fraction of the total length of the 4 metallic rods is metallic rod M?
L |
P |
M |
N |
Total |
2x1 |
3x1 |
|
|
|
|
1x3 |
4x3 |
|
|
|
1x3 |
|
9x3 |
|
2 u |
3 u |
12 u |
27 u |
44 u |
The length of metallic rod P is repeated. Make the length of metallic rod P the same. LCM of 3 and 1 is 3.
Total length of all the 4 metallic rods
= 2 u + 3 u + 12 u + 27 u
= 44 u
Metallic Rod MTotal Length =
1244 =
311Answer(s):
311