Question

a room is 10 metre long and 6 metre broad it surrounded by verandah and which is 2 metre wide all around it find the cost of flooring the verandah with marble at rupees 236 per metre square ​

Answer 1

Answer:

₹18,880

Step-by-step explanation:

Let the length and breadth of the room be 10 m and 6 m respectively.

It is given that the width of the veranda is 2 m. So another bigger rectangle is formed with the veranda including the room, whose length becomes 10+2+2=14 meters and  breadth becomes 6+2+2=10 meters.

Area of bigger rectangle(including the veranda)=l₁×b₁

=14 x 10

=140 m²

Area of the room = l₂ x b₂

=10 x 6

=60 m²

Now area of veranda=(140-60)m²

=80 m²

Now the cost of flooring = ₹80 x 236

=₹18,880

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