Question

The following figure shows a closed victory stand whose dimension are given in cm.
If the bottom of the stand is open, find its volume and total surface area.

• A. $1,72,000c{m}^2$ and $15,000c{m}^2$
• B. $1,42,000c{m}^2$ and $15,000c{m}^2$
• C. $1,62,000c{m}^2$ and $15,000c{m}^2$
• D. $1,32,000c{m}^2$ and $15,000c{m}^2$

Answer 1

Answer: (D)

Volume of the stand $=$ Volume of left part of stand with dimensions $30cm,40cm,20cm+$ Volume of middle part of stand with dimensions $30cm,40cm,60cm+$ Volume of right part of stand with dimensions $30cm,40cm,30cm$