Question

An open container made up of a metal sheet is in the form of a frustum of a cone of height 8 cm with radii of its lower and upper ends as 4 cm and 10 cm respectively. Find the cost of oil which can completely fill the container at the rate of Rs. 50 per litre. Also, find the cost of metal used, if it costs Rs. 5 per 100 cm2.


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Answer 1

Answer:

hope it help you it hard but my sister help me

Answer 2

Answer:

Hey sis!

As u know last week was awful for me as some of my answers were deleted:( even the one which was right -_-  so to fix that issue Nilesh helped me and told me to mail them! it will take 3-4 days to fix. huh! anyways take care! stay safe:D

and for the report thats okay np

and ya for thx, Anytime sis!

btw mei didi kaise!? lol XD

and ya report after u read this!

wht's wrong!? why r u feeling guilty!?