Free Printable Surface areas and volumes formulae

1.

Volume of a cuboid is

a)

l x b x h

b)

2(lb + bh + hl)

c)

2(l + b)h

d)

l³

2.

Total Surface Area of a cuboid is

a)

lbh

b)

2(lb + bh + hl)

c)

2(l + b)h

d)

lb + bh + hl

3.

Surface area of a rectangular open box is

a)

2(lb + bh + hl)

b)

2(l + b)h + lb

c)

2(l + b)h - lb

d)

lb + bh + hl

4.

The longest rod that can be placed in a room whose length, breadth and height are l, b and h respectively is

a)

$\sqrt[]{l^2\ +b^2\ +\ h^2}$

b)

$\sqrt[]{lbh}$

c)

$\sqrt[]{l\ +\ b\ +\ h}$

d)

$\sqrt[]{3}\left(l\ +\ b\ +h\right)$

5.

Lateral surface area of a cube of side 'a' is

a)

6 $a^2$

b)

$4a^2$

c)

$8a^2$

d)

$12a^2$

6.

Volume of a right circular cylinder is

a)

$\pi r^2h$

b)

$2\pi rh$

c)

$4\pi r^2h$

d)

$2\pi r^2h$

7.

Curved surface area of a cylinder is

a)

$2\pi rh$

b)

$4\pi r^2$

c)

$2\pi\left(r+h\right)$

d)

$\pi r^2$

8.

Volume of a cone

a)

$\pi r^2hl$

b)

$\frac{1}{3}\pi r^2h$

c)

$\pi rl$

d)

$\pi r^2l$

9.

Volume of a sphere

a)

$4\pi r^2$

b)

$\pi r^2$

c)

$\pi r^3$

d)

$\frac{4}{3}\pi r^3$

10.

Volume of a hemisphere is

a)

$\frac{2}{3}\pi r^2$

b)

$\frac{2}{3}\pi r^3$

c)

$\frac{4}{3}\pi r^3$

d)

$\frac{4}{3}\pi r^2$

11.

TSA of a hemisphere is

a)

$\pi r^2$

b)

$4\pi r^2$

c)

$3\pi r^2$

d)

$6\pi r^2$

12.

If we change the shape of an object from a sphere to a cylinder, then the volume of cylinder will

a)

Increase

b)

Decrease

c)

Remains unchanged

d)

Doubles

13.

If a cylinder is covered by two hemispheres shaped lid of equal shape, then the total curved surface area of the new object will be

a)

$4\pi rh\ +\ 2\pi r^2$

b)

$4\pi rh\ -\ 2\pi r^2$

c)

$2\pi rh\ +\ 4\pi r^2$

d)

$4\pi rh\ +\ 4\pi r^2$

14.

A right circular cylinder of radius r cm and height h cm (h>2r) just encloses a sphere of diameter

a)

r cm

b)

h cm

c)

2h cm

d)

2r cm

Surface areas and volumes formulae

Total questions: 14

Worksheet time: 8mins

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