

MCQOPTIONS
Saved Bookmarks
1. |
a, b, c are positive integers such that a2 + 2b2 - 2bc = 100 and 2ab - c2 = 100. Then the value of \(\dfrac{a+b}{c}\) is |
A. | 10 |
B. | 100 |
C. | 2 |
D. | 20 |
Answer» D. 20 | |