A 15 m long beam is supported over 10 m span with equal overhang on both the sides. It carries point loads of 50 kN each at its ends and a point load of 90 kN at the centre. Find the distance of point of contraflexure from the left support
1
5.28 m
2
4.75 m
3
2.78 m
4
3.58 m