Question

Planet X is the smallest planet of the solar system while planet Y is the least dense planet. What are X and Y?

• A. X- Mars, Y- Jupiter
  
• B. X- Mercury, Y- Earth
  
• C. X- Venus, Y- Saturn
  
• D. X- Mercury, Y- Saturn
  

Answer 1

The correct option is D X- Mercury, Y- Saturn


The planet Mercury is nearest to the Sun. It is the smallest planet of our solar system while Jupiter is the largest.
Saturn is the planet next to Jupiter. it is the least dense among all the planets. Its density is even less than that of water.