MENU
Question -

There are two cones. The curved surface area of one is twice that of the other. The slant height of the later is twice that of the former. Find the ratio of their radii.



Answer -

In two cones, curved surface of the first cone = 2 xcurved surface of the second cone
Slant height of the second cone = 2 x slant height of first cone
Let r1 and r2 be the radii of thetwo cones
and let height of the first cone = h
Then height of second cone = 2h
∴ Curved surface of thefirst cone = 2πr1h

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
NodeJS Interview Questions Answers
ASP.Net Interview Questions Answers
Interview Questions Answers
×