नाभिक | Class 12 भौतिक विज्ञान | 12 PM Class By Akash Sir | L14 | Hindi Medium

Class 12th Start Date

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

Acids,Bases and pH - Class 10 Science | 7 PM Master Class By Vipin Sir

Class 12 Final Result Date

Class 11 Most Important Chapters for Class 12

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

In a frequency distribution, the mid-value of a class is 15 and the class intervals is 4. The lower limit of the class is 10 (b) 12 (c) 13 (d) 14

In a class of 60 students, the average age of 25 girls is 12 yr and boys is 14 yr. Two of the students aged 16 and 14 yr leave the class and are replaced by 3 students of ages 12,11 and 10 yr, Find the change in average age of the class.

कैसे करें Class 12 Maths की शुरुआत ?? Score Full Marks ✅ How to Study Class 12 Maths ??

The average age of 60 boys in a class was calculated as 12 years. It was later realised that the actual age of one of the boys in the class was 12.5 years but it was calculated as 14 years. What is the actual average age of the boys in the class ?