A) \[\frac{1}{6}\] hour
B) \[\frac{2}{7}\] hour
C) \[\frac{5}{12}\]hour
D) \[\frac{7}{12}\]hour
Correct Answer: D
Solution :
Time taken to talk to Shivani \[=\frac{1}{4}~~\]hour Time taken to talk to Geetika \[=\frac{1}{3}~\]hour Total time spent by Sonia on telephone \[=\frac{1}{4}+\frac{1}{3}=\frac{3+4}{12}=\frac{7}{12}~\] hourYou need to login to perform this action.
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