

InterviewSolution
Saved Bookmarks
1. |
The four digit number 8ab9 is a perfect square. The value of a2 + b2 is(A) 52 (B) 62 (C) 54 (D) 68 |
Answer» Correct option: (A) 52 Explanation: 932 = 8649 ∴ a = 6, b = 4 ∴ a2 + b2 = 62 + 42 = 52. |
|