RD Sharma Solutions Class 10 Arithmetic Progressions Exercise 9.3

RD Sharma Solutions Class 10 Chapter 9 Exercise 9.3

RD Sharma Class 10 Solutions Chapter 9 Ex 9.3 PDF Free Download

Exercise 9.3


Practise This Question

The mean of n items is ¯x If the first item is increased by 1, second by 2 and so on, then the new mean is