The dimension of an oil tank are 25cm by 25cm by 30cm. Find the area of tin sheet requiredfor making 25 such tins.if 1 sq metre of the tin sheet costs rs 12,find the cost of tin sheet used for these 25 tins
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Step-by-step explanation:
Area of tin required for sheet
=2[26×26+26×45+26×45]
Area of tin sheet required for making 20 sheets =20×2[26×26+26×45+26×45]
=120640cm
2
=
100×100
120640
m
2
Cost of tin used for 20 tins
=
100×100
120640
×10
=
100
12064
=Rs.120.64
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