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

Related Mcqs:

1. A cylinder and a cone have a same height and same radius of the base. The ratio between the volumes of the cylinder and cone is__________?

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

2. The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is________?

   A. 4/3 times its radius
   B. 2/3 times its radius
   C. Equal to it’s radius
   D. Equal to it’s diameter

3. 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

4. How many shots of 1cm radius can be prepared from a sphere of 3cm radius?

   A. 36
   B. 64
   C. 27
   D. 16

5. 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

6. 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

7. 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

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 difference between the radi of the smaller circle and the bigger circle is 7cm and the difference between the area of two circles is 1078Sq.cm Radius of the smaller circle is_________?

   A. 17.5cm
   B. 21cm
   C. 28cm
   D. None of these

10. 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