Subject :IGK Class : Class 10
A bucket made up of metallic sheet
is in the form of frustum of a cone of
capacity 12308.8 cm3. The diameter of
the top and bottom circular ends are
40 cm and 24 cm respectively. Find
(i) The height of bucket.
(ii) The cost of metal sheet used in it
at the rate of Rs. 20 per 100 cm2.
[Use ∏ = 3.14]
| (i) | (ii) | |
| A | 12 cm | Rs. 216.32 |
| B | 15 cm | Rs. 432.064 |
| C | 15 cm | Rs. 216.48 |
| D | 18 cm | Rs. 415.30 |