XI -CH-16 PROBABILITY TEXT BOOK QUESTIONS:- EX.16.1:-Q. No.2, 4, 7 (page- 386), 9, 10, 13, 15 (Page- 387) EX.16.2:- Q. No 1, 5, 7(page- 393) EX.16.3: Q. No.2,4, 6, 7,9(page- 404),11, 15, 18, 20 (Page -405) MISC.EX:-Q. No.4, 7, 9 (page- 409).