over under 1.25 m wide is constructed all along the outside of a room 5.5 metre long and 4 metre wide find the cost of cementing the floor of this verandah @ Rupees 15 per square metre
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Answer:
450 rs
Step-by-step explanation:
Area of room = 4 × 5.5
= 22 m²
Area of verandah with room =
= ( 5.5 + 1.25 + 1.25 ) × ( 4 + 1.25 + 1.25 )
= 8 × 6.5
= 52 m²
Area of verandah = ( 52 - 22 ) m²
= 30 m²
Cost of cementing the floor of verandah = 15rs/m²
Total cost of cementing 30 m²= 30 × 15
= 450 rs
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