Use your grey cells

I took part in a Quiz and here are the questions , try answering them ....Use the comments section. Nope did'nt make it :) , there's always next time ..

1What do the 4 C's stand for while judging a Diamond? 2Name the famous article stored in one of the vaults of the United Trust Bank, Atlanta? 3What do these countries have in common Niger, Paraguay? 4Which country's capital is at 0 latitude and 0 longitude? 5What brand do both Shahrukh and Tiger Woods endorse? 6Which was the one and only Product that Kishore Kumar endorsed ? ( I remember Sajjan mentioning this last year ....) 7What does ISO 1 stand for , it's something Patriotic ? 8"I finally had to finish it in July, 1968, because I needed the final $1,200 advance payment from Putnam to take my wife and kids to Europe. I had no money but lots of credit cards....." Name the author and the Book. 9Which international symbol was designed by a college student for $35 ? 10Which brand derives its name from the word Polar meaning coolness? 11Half of the world's silver produced is used in this industry .Name the industry ? 12If Deep Blue is to IBM , which company stands for Deep Yellow ? 13Who was the only Nobel laureate to have studied in Delhi University ? 14Agents Kay and Jay, a pair of elite intergalactic cops were glamourised in this Mega Blockbuster film . Name the cartoon on which the film was based on ? 15He was born to Kultida (Mom), a native of Thailand and was named after a Vietnamese soldier, who saved his father's life. We know him as? 16Forbes inexplicably claims that his wealth is only in cash form. While he does have 3 cubic acres of money, including anywhere from 10% to 50% in gold and silver coinage, he also has extensive holdings in timber, rubber, mining, real estate, aerospace, robotics, shipping, and other industries, all of which he owns completely. Name him. <<<<<>>>>> 17 What do Citius, Altius and Fortius mean ? 18This was first performed by courtesans and other trained vocalists as a genteel light-classical music style in Persia, which literally means talking to women. What am I talking about? 19Hotel Hyatt was the first to design a blueprint of a hotel with 5000 rooms. Where was the hotel going to be built? 20Roots a Chennai based band comprised of Raja, John Anthony and Jojo _________and ________. Name the other 2 guys. 21Who was the music director for Sare Jahan Se Accha ? 22This German company produces lens made from Jena glass, which is used in all types of cameras. Name the company? 23Expand YAHOO ?