A) \[\frac{17}{30}\]
B) \[\frac{18}{30}\]
C) \[\frac{19}{30}\]
D) \[\frac{20}{30}\]
Correct Answer: C
Solution :
\[\frac{1}{5}=x+v+y\] |
\[\frac{1}{15}=w\] |
\[\frac{1}{10}=u+t\] |
\[x+y+z+u+v+w+t=1\] |
\[z=1-\frac{1}{5}-\frac{1}{15}-\frac{1}{10}=\frac{19}{30}\] |
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