thanks abhi
still have problem with regards to 4th and 5th Q......
As in 4th}what is meridonial parts of table where can i find those
and in 5th}
Compression ratio= (Equatorial diameter-polar diameter)/ Equatorial diameter
so 1/297=polaraxis/6378.4
polar axis comes out as=21.47.........the ans only comes when i subtract 6378.4 and 21.47............i.e.6356.9...........please give your views on this...........