Question 552108
60 cm long,40 cm wide,30 cm high at 50 paise per 20 cm squareSurfaxe area of box = 2lb+2wb+2wh

=2*60*40+2*40*30+1*30*60=9000 sq. cm

20 sq.cm Re 0.5

9000 sq.m ------x

x=9000*0.5/20
= Rs. 225

m.ananth@hotmail.ca