RR ACADEMY FOR SSC AND BANK: CLASS XI CHAPTER 1 SETS RR ACADEMY GANGA NAGAR MEE...

RR ACADEMY FOR SSC AND BANK: CLASS XI CHAPTER 1 SETS RR ACADEMY GANGA NAGAR MEE...: Exercise-1.1  Q.1: Which of the following are sets. Explain your answer. (a).  The collection of all day in a week which have the firs...