Start learning →

Rotating a rectangle about one of its sides produces which solid?

ARight circular cone
BRight solid sphere
CRight hemisphere
DRight circular cylinder
Answer & Solution
Correct answer: D. Right circular cylinder
The opposite side sweeps a curved surface and the other two sides sweep two circular ends, forming a cylinder.
Practise this question with Quill — RRB NTPC →

Keep practising Geometry & Mensuration

Browse all Geometry & Mensuration questions for RRB NTPC, or explore more Quantitative Aptitude topics.

Start a Geometry & Mensuration lesson →