सरल रेखा में गति | Class 11 भौतिक विज्ञान | 9 AM 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 ?

गति का परिचय |गति का वर्णन |सरल रेखा में गति |भौतिक राशियाँ |दूरी |विस्थापन |दूरी व विस्थापन |Summary

गति का परिचय |गति का वर्णन |सरल रेखा में गति |भौतिक राशियाँ |दूरी |विस्थापन |दूरी व विस्थापन |Summary

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

चाल तथा वेग में अंतर | Speed And Velocity - Explained In Hindi | Class 11 Physics

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 average age of 30 students of a class is 14 years 4 months. After admission of 5 new student in the class the average becomes 13 years 9 months. The youngest one of the five new students is 9 years 11 months old. The average age of the remaining 4 new students is :

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12 Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation?