The cost of papering the walls of a room 10m long, 8m broad and 6m high with paper at Rs 1.50 per piece is Rs 135. Find the area of each paper.
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Step-by-step explanation:
Area of the four walls =2(10+5)×5m
2
=150m
2
width of the paper =75cm
=
4
3
metre
∴ length of the paper =(150÷
4
3
)m
=200metre
∴ cost of papering the walls =200×90 paise
=Rs.180
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