Question

प्रश्न 3 यदि ab = cd हो तो K नियम द्वारा सिद्ध कीजिए
कि
a2+2
2+d bd
अंक-03​

Answer 1

Answer:

Q4. Find the mean of the marks obtained students of Class EX of a school, given in the following table Hint-Use Big Data Methodl

Answer 2

Answer:

I do not know answer sorry