A horizontal rod AB carries three loads of 3.0 kg, 7.0 kg and 10.0 kg at distances of 2.0 cm, 9.0 cm and 15 cm respectively from A where it is hinged. Neglecting the weight of the rod, which is the point at which the rod will be balance ?
A. 10.45 cm form A B. 11.25 cm from A C. 12.55 cm from A D. 13.25 cm form A