Answer:

Step-by-step explanation:
Cost Price = Rs. 400
Profit = 4 % of Cost Price
=> 
=> 4 * 6
=> Profit = Rs. 24
Now, Selling Price = Cost Price + Profit
Selling Price = 400+24
Selling Price = Rs. 424
Given:
The dimensions of a rectangle are
and
.
To find:
The expression that represents the area of the rectangle in simplest terms.
Solution:
Area of a rectangle is:

The dimensions of a rectangle are
and
. So, the area of the given rectangle is:




Therefore, the correct option is F, i.e.,
.
<em>If the radius of a sphere is doubled, the surface area becomes four times the original surface area.</em>