The number of points, having both co-ordinates as integers, that lie in the interior of the triangle with vertices $(0, 0)$, $(0, 41)$ and $(41, 0)$, is: (1) 820 (2) 780 (3) 901 (4) 861
The number of points, having both co-ordinates as integers, that lie in the interior of the triangle with vertices $(0, 0)$, $(0, 41)$ and $(41, 0)$, is:\\
(1) 820\\
(2) 780\\
(3) 901\\
(4) 861