SURFACE AREAS AND VOLUMES 9th Grade Quiz

SURFACE AREAS AND VOLUMES

Assessment

•

ankur pathania

•

Mathematics

•

9th Grade

•

700 plays

•

Hard

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20 questions

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1.

MULTIPLE CHOICE

5 sec • 1 pt

Formula for calculating total surface area of cuboid is

2.

MULTIPLE CHOICE

5 sec • 1 pt

Formula for curved surface area of cylinder

$2\pi r^2h$

$2\pi rh$

$2\pi r^2h$

$2\pi r$

3.

MULTIPLE CHOICE

5 sec • 1 pt

Formula for curved surface area of cone is

$2\pi r$

$2\pi h$

$\pi rl$

$\pi rh$

4.

MULTIPLE CHOICE

5 sec • 1 pt

slant height, $l=$

$r+h$

$r^2+h^2$

$\sqrt{r+h}$

$\sqrt{r^2+h^2}$

5.

MULTIPLE CHOICE

5 sec • 1 pt

Formula for calculating total surface area of cone is

$\pi r\left(l+r\right)$

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

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

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

6.

MULTIPLE CHOICE

5 sec • 1 pt

Formula for volume of cone is

$\pi r^2h$

$\frac{1}{3}\pi rh$

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

$\pi rh^2$

7.

MULTIPLE CHOICE

5 sec • 1 pt

Formula for calculating volume of hemisphere is

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

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

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

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

8.

MULTIPLE CHOICE

30 sec • 1 pt

A plastic box 5m long,4 m wide and 3 m deep,is to be made.Ignoring the thickness of the plastic sheet, determine the area of the sheet required for making the box.

9.

MULTIPLE CHOICE

45 sec • 1 pt

A cubical box has each edge 10 cm and another cuboidal box is 12.5 cm long,10 cm wide and 8 cm high.Which box has greater lateral surface area

10.

MULTIPLE CHOICE

30 sec • 1 pt

A conical tent is 10 m high and the radius of its base is 24 m. its slant height is

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