19. These are three dimensional figure made up of plane figure whose all sides are joined together to form a close figure. A. Circles B. Polygons C. Prisms D. Solid figures 20. A spatial figure with two circular bases, no edges and no vertices. A. Cone B. Cylinder C. Pyramid D. Sphere 21. What is the missing term in this number sequence 2, 4, 12,___, 240? A. 14 B. 24 C. 48 D. 60 22. Find the missing term in this number sequence 82, 81, 78_____, 66? A. 69 B. 73 C. 75 D. 76 23. What is the rule in this number sequence 1, 5, 25, 30, 150 A. +5, +5, +5, +5 B. +5, x5, +5, x5 C. x5, x5, x5, x5 D. x5, +5, x5, +5
