मानव स्वास्थ्य और रोग | Class12 NCERT जीव विज्ञान | 11 AM Class By Parth Sir | L24 | Hindi Medium

Class 11 के बाद क्या ? Class 12 Hindi Medium की पढ़ाई साल के शुरू से कैसे करें ?

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

दूरी और विस्थापन | Distance And Displacement - Explained In Hindi | Class 11 Physics

In a class of 100 students, every student has passed in one or more of the three subjects, i.e. History, Economics and English. Among all the students , 24 students have passed in English only , 14 students have passed in History only, 11 students have passed in both English and Economics only, and 12 students have passed in both English and History only. A total of 50 students have passed in History. If only 5 students have passed in all three subjects, then how many students have passed in Economics only? 100 छात्रों की एक कक्षा में, प्रत्येक छात्र तीन विषयों यानी इतिहास, अर्थशास्त्र तथा अंग्रेजी में से एक या अधिक विषय में पास हुआ है | सभी छात्रों में से, 24 छात्र केवल अंग्रेजी में पास हुए हैं, 11 छात्र अंग्रेजी तथा अर्थशास्त्र दोनों में पास हुए हैं तथा 12 छात्र केवल अंग्रेजी और इतिहास में पास हुए हैं | इतिहास में कुल 50 छात्र पास हुए हैं | यदि सभी तीन विषयों में केवल 5 ही छात्र पास हुए हैं, तो केवल अर्थशास्त्र में पास करने वाले छात्रों की संख्या कितनी है ?

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.

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: (iii) How many took exactly one of the three subjects.

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: (ii) How many took Maths but not Chemistry.

In this question, a word is is represented conclusion II follows by only one set of numbers as given in any one of the alternatives .The sets of numbers give in the the alternative are represented by two Classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix ll are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column , e.g. , 'L' can be represented by 12, 24 etc and 'R' can be represented by 55 , 67 etc . Similarly you have to identify the set for the word 'SENT'

For the following data of daily wages (in rupees0 received by 30 labourers in a certain factory, construct a grouped frequency distribution table by dividing the range into class intervals of equal width, each corresponding to 2 rupees, in such a way that the mid-value of the first class interval corresponds to 12 rupees. 14,16,16,14,22,13,15,24,12,23,14,20,17,21,22,18,18,19,20,17,16,15,11,12,21,20,17,18,19,23