किरण प्रकाशिकी | Ray Optics In Hindi 12th Physics Ch 9 L1 || Physics By Gopal Sir

Class 12th Physics | Easy & Hard Most Important Chapters

यूपी बोर्ड ने जारी किया Class 12th Physics का नया Syllabus

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.

In a class,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.The number of students who have taken exactly one subject is

A candidate obtains the marks in subjects English 60 Hindi 75 , Mathematics 63 , Physics 59 and Chemistry 55 . In the weights of 1,2,1,3,3 respectively are alloted to the subjects then the candidates weighted mean is

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 :

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