Answers

2015-03-16T21:35:50+05:30
Volume of frustum =1/3πh[r1²+r2²+r1r2]
= 1/3π*24[225+25+75]
=8π[325]
=8171.428 cm³
1000cm³= 1 litre
8171.428 cm³=8.171 litre.
1 litre = Rs 50
8.171 litre = 8.171*50
= Rs 408.55

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