1. On 21st June, the Sun
(a) does not set below the horizon at the Arctic Circle
(b) does not set below the horizon at Antarctic Circle
(c) shines vertically overhead at noon on the Equator
(d) shines vertically overhead at the Tropic of Capricorn
2. The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of four parallel lines, is
(a) 18
(b) 24
(c) 32
(d) 36