1.

Ashok and Sumit participated in a 100 metre race. Ashok took \[18\frac{1}{5}\]seconds and Sumit took \[21\frac{3}{4}\] seconds to finish the race. How much longer did Sumit take than Ashok?

A. \[3\frac{20}{10}\] seconds   
B.      \[3\frac{12}{20}\]seconds
C.      \[3\frac{11}{20}\]seconds     
D.      \[\frac{11}{20}\] seconds
Answer» D.      \[\frac{11}{20}\] seconds


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