Some Basic Concept Of Chemistry | रसायन विज्ञान की कुछ मूलभूत अवधारणाएं | Class 11 Chemistry L - 3

Surface Chemistry L3

Organic Chemistry L3

Basic Concepts of Ratio and Proportion(अनुपात और समानुपात की मूल अवधारणाएं)

Basic Concepts of Ratio and Proportion(अनुपात और समानुपात की मूल अवधारणाएं)

Basic Concepts Of Partnership(साझेदारी की मूल अवधारणाएं)|Questions(प्रश्न )|OMR

Basic Concepts Of Partnership(साझेदारी की मूल अवधारणाएं)|Questions(प्रश्न )|OMR|Summary

Basic Concepts of Ratio and Proportion(अनुपात और समानुपात की मूल अवधारणाएं)|Proportion(समानुपात)|Ratio(अनुपात )|OMR|Summary

Haloalkanes Haloarenes - Preparation Of Haloalkanes|Questions|Preparation Of Haloarenes|Some Basic Concepts Of Organic Chemistry Reactions|Types Of Substrates|Types Of Reagents|Preparation Of Haloarenes|NCERT Questions|OMR|Summary

In a survey of 25 students, it was found that 15 had taken Mathematics, 12 had taken Physics and 11 had taken Chemistry, 5 had taken Mathematics and Chemistry, 9 had taken Mathematics and Physics, 4 had taken Physics and Chemistry and 3 had taken all the three subjects. The number of students who had taken only physics is :

In a class, 18 students took Physics, 23 students took Chemistry and 24 students took Mathematics of these 13 took both Chemistry and Mathematics, 12 took both Physics and Chemistry and 11 took both Physics and Mathematics. If 6 students offered all the three subjects, find: (i) The total number of students.