A total of 2 lakh students appeared for the IIT entrance examination. 2.2% of total candidates scored more than 50% marks in Chemistry, 2.15% got more than 50% marks in Physics and 1.9% got 50% in Maths. 0.45% students got above fifty per cent in Physics and Maths but not in Chemistry. The same number of students got above fifty per cent in Physics and Chemistry but not in Maths. 0.35% of students got more than 50% marks in Maths and Chemistry but not in Physics. the total candidates scored above 50% marks in all three subjects.

How many students scored above 50 percentage in all 3 subjects ?