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Class 12 Chemistry | Chapter 4 | Chemical Kinetics | Important Questions | CBSE Boards Revision | Part 2

Class 12 Chemistry | Chapter 4 | Chemical Kinetics | Important Questions | CBSE Boards Revision | Part 1

In a class of 55 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 in Chemistry, 12 in Mathematics and Physics, 9 in Mathematics and Chemistry, 7 in Physics and Chemistry and 4 in all the three subjects. Find the number of students who have taken exactly one subject.

A school has 4 section of Chemistry in Class X having 40, 35, 45 and 42 students. The mean marks obtained in Chemistry test are 50, 60, 55 and 45 respectively for the 4 sections. Determine the overall average of marks per student

These questions are based on the following diagram: In the above figure, the Triangle represents the students who passed in Physics, the Rectangle represents the students who passed in Chemistry and the Circle represents the students who passed in Mathematics in a class. How many students passed in Chemistry but not in Mathematics? 1) 22 2) 11 3) 18 4) 17 5)23

Conversion Reaction Alkyl Halide In Just 7 Minutes || JEE 2020|NEET 2020|Class 12 Organic Chemistry