A hall is 5 m long 4 m wide and 3 m high What is the cost of white washing its walls and roof at a rate Rs 25m2 and laying of marble floor at a rate Rs 175m2

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CE-2402-ESTIMATION-AND-QUANTITY-SURVEYING-->View question

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Given that,

length = 5 m

height = 3 m

area of wall = 2h (L+  b)

= 2 * 3 (4 +5 )

= 6*9

= 54 sq m

area of ceiling = l*b

= 5 * 4

= 20 sq m

total area= area of ceiling + area of ceiling

= 54 + 20 sq m

= 74 sq m

cost of white washing for 1 sq m = rs 25

so for 74 sq m = 25 * 74 sq m

= Rs 1850

Area of floor=5*4=20m2

Cost of laying marble on the floor=20*175=Rs 3500
total cost=3500+1850=Rs 5350

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