Question

Sonia talked on the telephone to two of her friends. She talked to Shivani for $\frac{1}{4}$ hour and to Geetika for $\frac{1}{3}$ hour. How much time did Sonia spent on the telephone?

• A. $\frac{1}{6}hour$
• B. $\frac{2}{7}hour$
• C. $\frac{5}{12}hour$
• D. $\frac{7}{12}hour$

Answer 1

The correct option is D $\frac{7}{12}hour$

Time taken to talke to Shivani $=\frac{1}{4}$ hour
Time taken to talk to Geetika $=\frac{1}{3}$ hour
Total time spent by Sonia on telephone $=\frac{1}{4}+\frac{1}{3}=\frac{3+4}{12}=\frac{7}{12}$ hour.