Teachoo Quiz

Short Quiz

Chapter 12 Class 10 Surface Areas and Volumes | 5 questions | about 4 minutes

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Question 1 of 5
Question 1 of 5
NCERT Exemplar
A solid piece of iron in the form of a cuboid of dimensions \(49\text{ cm}\times33\text{ cm}\times24\text{ cm}\) is moulded to form a solid sphere. The radius of the sphere is:
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Question 2 of 5
NCERT Exemplar
If a marble of radius \(2.1\text{ cm}\) is put into a cylindrical cup full of water of radius \(5\text{ cm}\) and height \(6\text{ cm}\), then how much water flows out of the cylindrical cup?
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Question 3 of 5
Anishka melted 11 chocolate cubes in a cylindrical cup as shown.
If the length of the side of each cube is \(\boldsymbol{k} \mathbf{~ c m}\) and the radius of the cup is \(\boldsymbol{r} \mathbf{c m}\), which of these represents the height of the melted chocolate in the cup?
(Note: Take \(\pi=\frac{22}{7}\).)
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Question 4 of 5
CBSE Board Exam 2026
An ice-cream cone of radius \(r\) and height \(h\) is completely filled by two spherical scoopes of ice-cream. If radius of each spherical scoop is \(\frac{r}{2}\), then h : 2r equals
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Question 5 of 5
NCERT Exemplar
If two solid hemispheres of the same base radius \(r\) are joined together along their bases, then the curved surface area of the new solid is:
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