Exemplar Exercise Problems I — task. Mathematics CBSE, Class 9.

PDF chapter test TRY NOW

1. In a cylinder, radius is doubled and height is halved, curved surface area will be

doubled
same
four times
halved

2. The total surface area of a cone whose radius is \(\frac{r}{2}\) and slant height \(2l\) is

\(πr (l + r)\)
\(2πrl\)
\(2πr (l + r)\)
\(πr(l+\frac{r}{4})\)

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content