विद्युत् धारा के चुम्बकीय प्रभाव | Class 10-विज्ञान | 2 PM Class by Ruchi Ma'am | L13 | 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

There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. Ten students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English? (a) 21, 11 and 29 respectively (b) 28, 18 and 22 respectively (c) 37, 27 and 13 respectively (d) 39, 29 and 11 respectively

The marks obtained by 40 students of class IX in an examination are given below: 18, 8, 12, 6, 8, 16, 12, 5, 23, 2, 16, 23, 2, 10, 20, 12, 9, 7, 6, 5, 3, 5, 13, 21, 13, 15, 20, 24, 1, 7, 21, 16, 13, 18, 23, 7, 3, 18, 17, 16 Present the data in the form of a frequency distribution using the same class size, one such class being 15-20 (where 20 is not included)

Q5. The marks obtained in a class test by 30 students of a class are as follows. Marks obtained Number of students No. earth ats No- ernaun ?ove 49 More than or equal to 1044 38 23 More than or equal to 25 13 More than or equal to 308 More than or equal to 354 More than or equal to 40 2 More than or equal to 5 More than or equal to 15 median l (n More than or equal to 20 Find the: (0) mean marks (i modal marks (ii) median marks. 6. The mode of the following frequency distribution is 36. Find the values of x and

Class 12 Physics (Hindi)| Chapter 3 धारा विद्युत् Part 2 | Important Questions | UP Boards

Class 12 Physics (Hindi)| Chapter 3 धारा विद्युत् Part 1| Important Questions | UP Boards

Class 10 Science (Hindi) | Chapter 2 | अम्ल, क्षार तथा लवण | Important Questions | Quick Revision