19/03/2020 Surface Areas and Volumes of Solid Shapes(Study by Topics Junior Class) 19/03/2020 0Comments by Gate Academy Welcome to your Surface Areas and Volumes of Solid Shapes(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. The length of the longest rod that can be placed in a cuboidal room of dimensions 20 cm, 12 cm and 9 cm: 32 cm 28 cm 35 cm 25 cm 2. If you enlarge a rectangular prism with dimensions of 1 cm. by 2 cm. by 3 cm. by a scale factor of 3, what will its new dimensions be? 3 cm. by 5 cm. by 6 cm. 3 cm. by 4 cm. by 10 cm. 3 cm. by 6 cm. by 9 cm. 3 cm. by 15 cm. by 26 cm. 3. What is the Volume of the prism below: 210 420 358 179 4. Which of the following statements about a cylinder is false? A cylinder has two planes A cylinder has two vertices A cylinder has two curved surfaces A cylinder has one curved surface 5. Find the total Surface area of a cone with radius 3, slant height of 5. 94.2 units squared 78.5 units squared 122.46 units squared 28.26 units squared 6. What is the formula for the surface area of a rectangle? All of the above Base x height 3x lbh 2x lw +2xwh + 2lh 7. Which of the following gives the volume of a cylinder of height ‘h’ cm and base radius ‘r’ cm? πr²h 2πrh πrh ¼πr²h 2πr²h 8. What is the volume of the pyramid below? 37.33 112 116.48 74.24 9. A cylinder has radius 14cm and length 10cm. find its curved surface area 1760cm² 440cm² 280cm² 220cm² 880cm² 10. How many edges has a cube? 8 12 16 10 11. Which of the following is not a solid? Cube Trapezium Cone Prism Cylinder 12. Find the height of the cylinder if its volume and radius are 154cm3 and 3½cm respectively. 44 cm 4 cm 357 cm 1694 cm 13. What would be the side of a cube of same volume as that of cuboid of 225 m3? 15.5 m 16.5 m 15 m 14.5 m 14. The radii of the ends of a frustum of a cone 40 cm high are 38 cm and 8 cm. The slant height of the frustum of cone is: 60.96 cm 50 cm 26.46 cm 38.93 cm 15. What is the surface area of a rectangular prism that is 1 cm. by 2 cm. by 3 cm.? 6 sq. cm. 15 sq. cm. 22 sq. cm. 25 sq. cm. 16. What is the surface area of a rectangular prism that is 5 ft. by 10 ft. by 10 ft.? 600 sq. ft. 400 sq. ft. 700 sq. ft. 500 sq. ft. 17. The ratio of the radii of two cylinders whose heights are equal is 2 : 3. If the volume of the smaller cylinder is 32cm2, find the volume of the bigger one. 108cm³ 72cm³ 81cm³ 27cm³ 18. What is the volume of the cone below? 703.72 3446.4 742.42 1340.21 19. Find the surface area ofa pyramid with a square base legnth 10 and a slant height of 13 480 units squared 580 units squared 340 units squared 620 units squared 20. What is the volume of the cylinder below? 96 2412.74 804.25 1005.31 1 out of 20 Time is Up! Time's up
