InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    Find the product of the :(i) greatest number of three digits and smallest number of five digits.(ii) greatest number of four digits and the greatest number of three digits. | 
                            
| 
                                   
Answer»  (i) Greatest number of three digits = 999 and Smallest number of five digits = 10000 Required product = 999 x 10000 = 9990000 (ii) Greatest number of four digits = 9999 and Greatest number of three digits = 999 Required product = 9999 x 999 = 9999 x (1000 – 1) = 9999 x 1000 – 9999 x 1 (using distributivity) = (10000- 1) x 1000 – (10000- 1) x 1 = 10000 x 1000 – 1 x 1000 – 10000 + 1 = 10000000 – 1000 – 10000 + 1 = 10000001 – 11000 = 9989001  | 
                            |