For the following questions answer them individually
A question and two statements labeled (I), (II) are given. You have to decide which statement(s) is/are sufficient to answer the question.
Goutham ranks eighteenth in a class. What is his rank from the last?
I. There are 47 students in the class.
II. Jegan who ranks $$10^{th}$$ in the same class. ranks $$38^{th}$$ from the last.
3 men dig a hole in 10 days. How many days would it take for 5 men to dig the same hole?
How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?