Distributed load(s) of $50\:kN/m$ may occupy position(s) (either continuously or in patches) on the girder $\textbf{PQRST}$ as shown in the figure (not drawn to the scale)

The maximum negative (hogging) bending moment (in $kN.m$) that occurs at point $\textbf{R}$is

1. $22.50$
2. $56.25$
3. $93.75$
4. $150.00$

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