विद्युत धारा | Class 12 NCERT भौतिक विज्ञान | 12 PM Class By Akash Sir | L14 Hindi Medium

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

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

NCERT Updates - Class 12th

NCERT Updates - Class 12th

Class 11 Most Important Chapters for Class 12

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

Class 12 Maths (Hindi) | Chapter 3 आव्यूह | Important Questions | Quick Revision

NEET 2020 - Revision In 60 Days | NCERT Class 12 Evolution | NEET Biology | Important Questions

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

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 ?