question_answer

Pintu and Ayush participate in a \[100\,\,m\] race. Pintu took \[18\frac{1}{5}\] seconds and Ayush took \[21\frac{3}{4}\] seconds.  How much longer did Ayush take?

A)  \[3\frac{11}{20}\sec \]              

B)  \[3\frac{7}{20}\sec \]

C)  \[4\frac{1}{20}\sec \]                

D)  \[3\frac{9}{20}\sec \]