The radii of the bases of two cylinders are in the ratio 3 : 5 and their heights are in the ratio 2 : 3. Find… · ABC26GN4758
Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: C.P.O. 2007
The radii of the bases of two cylinders are in the ratio 3 : 5 and their heights are in the ratio 2 : 3. Find the ratio of their curved surface areas.
Answer
No answer key was printed for this question.
Explanation
Let the radii of the cylinders be 3x, 5x and their heights be 2y, 3y respectively. 2π × 3 x × 2 y 2 Then, Ratio of their curved surface areas = = = 2 : 5. 2π × 5 x × 3 y 5
Explanation as extracted from the printed page; notation may be imperfect.