Quiz about Areas Related To Circles

Question 1

A solid piece of metal in the form of a cuboid of dimensions $$11 {~cm} 	imes 7 {~cm} 	imes$$ $$7 {~cm}$$ is melted to form $$n$$ number of solid spheres of radi $$\frac{7}{2} {~cm}$$ each. Find the value of $$n$$.

Accepted Answer

Covalent bond

Question 2

If the radii of two circles are in the ratio of $$4: 3$$, then their areas are in the ratio of :

Accepted Answer

Covalent bond

Answer

$$16: 9$$

Answer

$$4: 3$$

Answer

$$8: 3$$

Answer

$$9: 16$$

Question 3

The length of the minute hand of a clock is $$6 {~cm}$$ Find the area swept by it when it moves from $$7:05$$ p.m to $$7: 40$$ p.m

Accepted Answer

Covalent bond

Answer

$$66 {~cm}^2$$

Answer

$$\frac{21}{5} {~cm}^2$$

Answer

$$56 {~cm}^2$$

Answer

None of the above

Question 4

In the given figure, arcs have been drawn of radius $$7 {~cm}$$ each with vertices $${A}, {B}, {C}$$ and $${D}$$ of quadrilateral $${ABCD}$$ as centres. Find the area of the shaded region.
![](http://admin.getprephub.com/media/editor/sq24_20220929192508943708.png)

Accepted Answer

Covalent bond

Answer

$$154 {~cm}^{2}$$

Answer

$$453 {~cm}^{2}$$

Answer

$$727 {~cm}^{2}$$

Answer

$$422 {~cm}^{2}$$

Question 5

A 'circus' is a company of performers who put on shows of acrobats, clowns etc to entertain people started around 250 years back, in open fields, now generally performed in tent is.

The tent is in the shape of a cylinder surmounted by a conical top. If the height and diameter of cylindrical part are $$9 {~m}$$ and $$30 {~m}$$ respectively and height of conical part is $$8 {~m}$$ with same diameter as that of the cylindrical part,

Find the area of the canvas used in making the tent:

Accepted Answer

Covalent bond

Cbse Board Question Paper 2022 Areas Related To Circles Cbse Class 10 Maths Problems and Solutions

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