5. Two marks example problem I

1. Madhu ate $\frac{2}{5}$ of the chocolate bar and Nandhini ate $\frac{1}{3}$ of the chocolate bar. Who has eaten more?

 

 NandhiniMadhu has eaten more chocolate.

 

2. Vinotha, Mugilarasi, Senthamizh were participating in the water filling competition. Each one was given a bottle of equal volume to fill water in it within $30$ seconds. If Vinotha filled $\frac{1}{2}$ portion of her bottle, Senthamizh filled $\frac{3}{4}$ portion of her bottle and Mugilarasi filled $\frac{1}{4}$ portion of her bottle, then who would get the first, second and third prize?