Chemical bonding 05 V B T and overlaping for all chemistry students 11th NEET JEE Vikram HAP Chemist

Chemical Bonding Dipole Moment || Important Orders || Chemistry for NEET/JEE 2020

Q.N. 45 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. write the number of student that had taken (a) at least one of three subjects (b) only mathematics

If the average marks of 17 students in a class is A. The marks of the students when arranged in either an ascending or a descending order was found to be in arithmetic progression. The class teacher found that the students who were ranked 3rd, 7th, 8th, 11th, 15th had copied in the exam and hence got all of them rusticated. The average of the remainder of the class was B. Then

Read the following information carefully to answer the questions that follow. In a survey of 25 students, it was found that 15 have taken Mathematics. 12 have taken Physics and 11 taken Chemistry, 5 have taken Mathematics and Chemistry, 9 have taken Mathematics and Physics, 4 have taken Physics and Chemistry and 3 have taken all the three subjects. The number of students who have taken only Physics, is (a)2 (b)3 (c)5 (d)6

Read the following information carefully to answer the questions that follow. In a survey of 25 students, it was found that 15 have taken Mathematics. 12 have taken Physics and 11 taken Chemistry, 5 have taken Mathematics and Chemistry, 9 have taken Mathematics and Physics, 4 have taken Physics and Chemistry and 3 have taken all the three subjects. The number of students who have taken only two subjects, is (a)7 (b)8 (c)9 (d)10