The cost of papering the four walls of a room at 75 paisa per square meter Rs. 240. The height of the room is 5 metres. Find the length and the breadth of the room, if they are in the ratio 5 : 3.
a) 12 m and 20 m
b) 20 m and 12 m
c) 5 m and 3 m
d) 10 m and 6 m
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Answer:
12 m 20 m is correct
a) ans.
because length = 12 and breadth = 20
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