Question

A door frame of dimensions 4 m * 3 m is fixed on the wall of dimension 15 m * 15 m. Find the cost of washing the wall at the rate of 3.5/m².​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

15×15= 225 m^2 ( area of wall )

4×3 = 12m^2 ( area of frame )

now area of wall to be painted = 225-12 = 213 m^2

then cost = 213×10/35

= 426 / 7

= 60.8 or 61 rupees