

InterviewSolution
Saved Bookmarks
1. |
Evaluate the products without actual multiplication : 999 x 999 |
Answer» 999 x 999 = 9992 = (1000 – 1)2 = 10002 – 2 x (1000) x 1 + 12 = 1000000-2000 + 1 = 998001 |
|