जैव प्रक्रम | Class - 10 विज्ञान | 7 PM Class by Pooja Ma'am | L6 | Hindi Medium

Class 6 To 10 Courses

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 ?

(i)Find the class mark of the class 90-120. (ii)In a frequency distribution, the mid-value of the class is 10 and width of the class is 6. Find the lowe limit of the class. (iii)The width of each of the five continuous classes in a frequency distribution is 5 and lowe class limit of the lowest class is 10. What is the upper class limit of the highest class? (iv) The class marks of a frequency distribution are 15,20,25...... Find the class corresponding to the class mark 20. (v)In the class intervals 10-20, 20-30, find the class in which 20 is included.

In a frequency distribution, the mid-value of a class is 10 and width of each class is 6. The upper limit of the class is

In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The lower limit of the class is