Q. 195.0( 3 Votes )

A cuboidal oil ti

Answer :

Given,


length (l) = 30 cm


breadth (b) = 40 cm


height (h) = 50 cm


Area of tin = total surface area of cube


= 2(lb +bh + hl)


= 2[(30)(40) + (40)(50) + (50)(30)]


= 2[1200 + 2000 + 1500]


= 2 × 4700


= 9400cm2


Cost of tin = Rs. 20 per cm2


cost of 1 tin = 9400 × 20


= Rs 188000


Cost of 50 such tin = 50 × cost of 1 tin


= 50 × 188000


= 9400000


So, cost of such 50 cans is Rs 9400000


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