Three point particles of masses 1.0 kg, 1.5 kg and 2.5 kg are placed at three corners of a right angle triangle of sides 4.0 cm, 3.0 cm and 5.0 cm as shown in the figure. The centre of mass of the system is at a point:

A

0.6 cm right and 2.0 cm above 1 kg mass.

B

1.5 cm right and 1.2 cm above 1 kg mass.

C

2.0 cm right and 0.9 cm above 1 kg mass.

D

0.9 cm right and 2.0 cm above 1 kg mass.