I have got 340 on 450 in bitsat 2013 I gave what can I expect for bitsat 2018?

Hii,
BITSAT paper structure is
Physics

40

Part II

Chemistry

40

Part III

(a) English Proficiency

(b) Logical Reasoning

15

10

Part IV

Mathematics

45
Each question contain 3 marks, (-1) for incorrect answer.
Else level of the paper is easy ad that was in 2013.
There is no significant changes in level.
Good luck...