1. chaturbhuj   quadrilateral   vertex   prism   oval   Hint Half-n-half Clue   2. samaanaantar rekhaayen   ray   plane   parallel lines   quadrilateral   Half-n-half Clue   3. bhaag   prism   ray   oval   segment   Half-n-half Clue   4. varnkram, aayataa   convex   plane   prism   hemisphere   Half-n-half Clue   5. saptabhuj   ellipse   ray   prism   heptagon   Half-n-half Clue   6. soocheestambh   parallel lines   ellipse   pyramid   oval   Half-n-half Clue   7. sheersh   concave   ellipse   polygon   vertex   Half-n-half Clue