The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

Related Mcqs:

1. The diameter of a cylindrical tin is 6cm and height is 5 cm. Find the volume of the cylinder?

   A. 30 π cc
   B. 45 π cc
   C. 150 π cc
   D. 180 π cc

2. The radius of a cylinder is 2 r units and height is 3 r units. Find the curved surface?

   A. 18 πr² sq units
   B. 3 πr² sq units
   C. 12 πr² sq units
   D. 6 πr² sq units

3. The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone.

   A. 74 π cm²
   B. 36 π cm²
   C. 48 π cm²
   D. 24 π cm²

4. The average height of 35 boys in a class was calculated as 180cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places)?

   A. 179.29 cm
   B. 178.29 cm
   C. 179.38 cm
   D. 178.39 cm

5. The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .

   A. 149
   B. 151
   C. 152
   D. 153

6. The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, the ratio of their volume is_________?

   A. 3:8
   B. 9:16
   C. 9:32
   D. 9:64

7. A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is h. If the total volume of the solid is three times the volume of the cone then the height of the cylinder is________?

   A. 2h
   B. 4h
   C. 2h/3
   D. 3h/2

8. Find the ratio of the curved surfaces of two cylinders of same heights if their radii are in the ratio 1:2.

   A. 1:2
   B. 2:1
   C. 1:4
   D. 4:1

9. If the length, breadth and the height of a cuboid are in the ratio 6: 5: 4 and if the total surface area is 33300 cm², then length breadth and height in cms, are respectively?

   A. 90, 85, 60
   B. 85, 75, 60
   C. 90, 75, 70
   D. 90, 75,60

10. The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?

    A. 308 sq cm
    B. 220 sq cm
    C. 440 sq cm
    D. 132 sq cm