State of Matter | Class 11 NCERT | Chemistry | Doubtnut | Rupali Ma'am

State of Matter: Lecture 11

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NCERT Updates - Class 11 th

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In a class , 22 studets offered Mathematics , 18 students offered Chemistry and 24 students offered Physics . All of them have to offer atleast one of these . 11 are in both Mathematics and Chemistry ,13 in Chemistry and Physics and 14 in Mathematics and Physics and 7 have offered all the three subjects Find : (i) how many students are there in the class ? (ii) how many students offered only Mathematics ?

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