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_________?

Related Mcqs:

1. 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

2. The volumes of two cones are in the ratio 1 : 10 and the radii of the cones are in the ratio of 1 : 2. What is the length of the wire?

   A. 2 : 5
   B. 1 : 5
   C. 3 : 5
   D. 4 : 5

3. If the ratio of the areas of two squares is 9:1 ratio of their perimeters is_________?

   A. 9:1
   B. 3:1
   C. 3:4
   D. 1:3

4. A right cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is_________?

   A. 3: 5
   B. 2: 5
   C. 3: 1
   D. 1: 3

5. 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

6. 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

7. What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?

   A. 4:8
   B. 1:4
   C. 6:2
   D. 3:1

8. Two cylinders are of the same height. Their radii are in the ratio 1: 3. If the volume of the first cylinder is 40 cc. Find the volume of the second cylinder?

   A. 360 cc
   B. 60 cc
   C. 300 cc
   D. 36 cc

9. The areas of two similar triangles are 12 cm2 and 48SQ. cm .If the height of the smaller one is 2.1cm than the corresponding height of the bigger one is_________?

   A. 0.525cm
   B. 4.2cm
   C. 80%
   D. 60%

10. 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