A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cost of flooring the verandah at the rate of Rs 3.50 per square metre is
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Answer:
area of hall =l×b
=20×15
= 300 m
area of uniform width = 20+2.5×15+2.5
= 22.5 × 17.5
= 393.75m
total area of verandah = 300×393.75
= 118,125 m
cost of flooring = 300×3.50
= 1,050 rupees
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