surface areas and volumes

The formula to find surface area of a cuboid of length (l), breadth (b) and height (h) is:

• lb+bh+hl

• 2(lb+bh+hl)

• 2(lbh)

• lbh/2

The surface area of a cube whose edge equals to 3cm is:

• 62 sq.cm

• 30 sq.cm

• 54 sq.cm

• 90 sq.cm

The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is:

• 11200 sq.cm

• 13000 sq.cm

• 13400 sq.cm

• 12000 sq.cm

If the radius of a cylinder is 4cm and height is 10cm, then total surface area of cylinder is:

• 440 sq.cm

• 352 sq.cm.

• 400 sq.cm

• 412 sq.cm

The curved surface area of a right circular cylinder of height 14 cm is 88 cm2. The diameter of the base is:

• 2cm

• 3cm

• 4cm

• 6cm

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. The curved surface area is:

• 150 sq.cm

• 165 sq.cm

• 177 sq.cm

• 180 sq.cm

The surface area of a sphere of radius 14 cm is:

• 1386 sq.cm

• 1400 sq.cm

• 2464 sq.cm

• 2000 sq.cm

The radii of two cones are in the ratio of 2:3 and their heights are in the ratio of 7:3. The ratio of their volumes is

• 20:9

• 28:9

• 29:29

• None of the above

The curved surface area of a right circular cylinder of height 14 cm is 88 cm². Find the Volume of the cylinder. Assume π=22/7

• 144 cm³

• 180 cm³

• 176 cm³

• None of the above

Formula for curved surface area of cone is

• $2\pi r$

• $2\pi h$

• $\pi rl$

• $\pi rh$