RD Sharma Solutions Class 12 Area Bounded Regions Exercise 21.1

RD Sharma Solutions Class 12 Chapter 21 Exercise 21.1

RD Sharma Class 12 Solutions Chapter 21 Ex 21.1 PDF Free Download

Exercise 21.1


Practise This Question

15 busses fly between Hyderabad and Tirupathi.The number of ways can a man go to tirupathi from Hyderabad by a bus and return by a different bus is