Mensuration 3D Quiz 3 February 14, 2012 by kumar 1. The radius of a wheel is 70 cm.How many revolutions per minute they make in order to keep the speed of 66 kmph.A. 1000B. 500C. 250D. 300 2. If the radius of the sphere is increased 2 times.what is the percentage change in surface area?A. 100%B. 400%C. 300%D. 600% 3. The volume of a right circular cylinder is 1078 cm^3 and the ratio of curved surface area and total surface area is 1:2.What is the total surface area of the cylinder isA. 212 cm^2B. 616 cm^2C. 678 cm^2D. 1000 cm^2 4. The ratio of the surface area of 2 cubes is 1:9.What is the ratio of their volumes isA. 1:2B. 1:16C. 1:27D. 1:32 5. The volume and height of a cylinder is 5544 cm^3 and 16 cm respectively.Find the surface area?A. 1000 sq.mB. 1054 sq.mC. 600 sq.mD. 100 sq.m 6. The total area of a square board is 400 sq.m.The side border round the board is 3 cm wide.Then the length of board isA. 26 cmB. 36 cmC. 18 cmD. 56 cm 7. An equilateral triangle of side 6 cm has its corners cut off to form a regular hexagon.What is the area of the hexagon isA. √3 sq.mB. 7√3 sq.mC. 6√3 sq.mD. 5√5 sq.m 8. The area of the circle is equal to the sum of the areas of the 2 circles with radius of 6 cm and 8 cm.What is the area of the large circle isA. 12 cmB. 20 cmC. 8 cmD. 10 cm 9. The difference between area and the circumference is 1062.5 cm,then what is the diameter of the circle isA. 120 cmB. 35 cmC. 45 cmD. none of these 10. The edge measure of a cube is 22 cm ,and diameter is 2 cm.How many bullets can be made out of a cube of iron?A. 2541B. 2500C. 1450D. 1000 11. What is the perimeter of a circle,If the radius of circle is tripled?A. sameB. 2 timesC. 5 timesD. 3 times 12. The square is drawn inside the square.what is the difference between the diagonal of the square and diameter of the circle isA. 3.5 cmB. 8.3 cmC. 1.2 cmD. 10 cm 13. The length and breadth of a room is 7 m and 5 m respectively.What is the cost of carpeting a room at Rs.1.25 a metre is rs. 131.25,the width of the carpet in metre isA. 1B. 1/4C. 1/3D. 1/9 14. A tent is in the form of a right circular cylinder is surrounded by a cone.The diameter of a cylinder is 24 cm.The height of the cylindrical portion is 11 cm.While the vertex of the cone is 16 cm above the ground.find the area of the canvas required for the tent?A. 1250 sq.mB. 1670 sq.mC. 1320 sq.mD. 4570 sq.m 15. The area of the equilateral triangle is 12√3 cm^2,then what is the side of the triangle isA. 3√3 cmB. 5√3 cmC. 2√5 cmD. 4√3 cm Related posts: Mensuration – 2D Quiz 1 Mensuration 3D Quiz -1 Mensuration 3D Quiz 2 Mensuration 2D Quiz – 2 Mensuration 2D Quiz 3