Q. Which among the following is the lightest planet in the Solar System?
Answer: Saturn
Notes: Saturn is the lightest planet in the Solar System. It is the only planet in the Solar System whose density is less than 1.
Do you know: If you put Saturn in a sea of water, it floats. It is only such planet in the Solar System.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 36 in General Studies Mock Test - 23 in above course in App.