a2zinterviews

16.	The densest planet of the solar system is
	A.  Earth
	B.  Mercury
	C.  Jupiter
	D.  Uranus

17.	How many planets ......... age of our solar system?
	A.  5
	B.  8
	C.  9
	D.  12

18.	How many years does Pluto take in revolving round the sun?
	A.  110 years
	B.  248 years
	C.  272 years
	D.  250 years

19.	Which of the following planets is known as Morning Star?
	A.  Mercury
	B.  Saturn
	C.  Mars
	D.  Venus

20.	The number of stars(s) in our solar system is ......
	A.  1
	B.  2
	C.  3
	D.  4