Exercise condition:

A verandah of width 3 \(m\) is constructed along the outside of a room of length 7 \(m\) and width 3 \(m\). Determine the area of the verandah and the cost of cementing the floor of the verandah at the rate of \(₹ \)15 per sq. m.
The area of the verandah is  m2.
The total cost of cementing the floor of the verandah is \(₹\).
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