A Hall Is 17.5 M Long 12.5 M Wide And 15 M High . Inside It There Are Two Doors Each Of Dimensions 8M * 3.5 M And Three Windows Each Of Dimensions 4M *3.5 M . Find The Cost Of White Washing The Walls At 60 Paise Per Square Metre
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4
Answer: 1913.4 rupees
Step-by-step explanation:
17.5*12.5*15=3281.25m
8*3.5=28*2=56m
4*3.5=14*3=42m
Total Area=3281-(56+42)
=3281-98
=3189 square meter
The cost of whitewashing 1 square meter=60 Paise
The cost of whitewashing 3189 square meter=60*3189
=191340 paise
=1913.4 rupees
Star(*) means multiplication
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