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19.
(a) A godown is 54m long, 36m broad and 10m high. Find the cost of white washing its four walls at Rs 1.50 per
square meter.
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Answer:
Rs. 2700
Step-by-step explanation:
Length of godown = 54m
Breadth of godown = 36m
Height of godown = 10m
Area of four walls = 2h ( L + B)
= 2(10) (54+36)
= 2(10)(90)
= 1800m
cost for white washing = Rs. 1800 * 1.50
= Rs. 2700
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