2168: A cube of side 2 units is placed in a rectangular coordinate system with its centre at the origin. The coordinates of a set of 4 non-adjacent corners is
(a) (1, 1, 1); (-1, -1, -1); (1, -1, -1);
(b) (1, 1, 1); (-1, 1, 1); (1, -1, 1); (1, 1, -1)
(c) (1, 1, 1); (-1, -1, -1); (-1, 1, 1); (1, -1,-1)
(d) (-1, -1, -1); (1, 1, -1);. (-1, 1, 1); (-1, 1, -1)
2170: Arrange the following in chronological order:
I. Home Rule League
II. Swadeshi Movement
III. Bardoli Movement
IV. Round Table Conference
(a) I, II, III, IV
(b) II, I, III, IV
(c) III, I, IV, II
(d) IV, II, I, III