Questions & Answers of Analysis of statically determinate Arches

The figure shows a two-hinged  parabolic arch of spam L subjected to uniformly distributed load of  intensity  q per unit length

The maximum bending moment  in the arch is qual to 

A three hinged parabolic arch having a span of 20 m and a rise of 5 m carries a point load of 10 kN at quarter span from the left end as shown in the figure. The resultant reaction at the left support and its inclination with the horizontal are respectively