external dimension of a closed wooden box are in ratio 5 : 4 : 3 it if the cost of painting its outer surface at the rate of rupees 5 per DM square is rupees 11750 find the dimension of the box
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Lenght is 5x =5×5= 25.m
Breath is 4x = 4×5 =20m
Height is 3x= 3×5=15m
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