Read the passage below and solve these questions based on it:
Following is the result of an examination.
Out of 1,000 students who appeared
A- 658 failed in physics
B- 166 failed in physics and chemistry
C- 372 failed in chemistry, 434 failed in physics and biology
D- 590 failed in biology, 126 failed in biology and chemistry
Find the number of students who failed in (assuming that none of them passed in all the subjects)
Chemistry but not physics.