Give appropriate answers. You must attach a link as a reference to each answer for me to buy it.

1) Approximate percentage value of oil reserves in west Asia compared to the total oil reserves in the world is _______

2) In 1990 Aug US dollar became convertible to citizens of the Soviet Union. Other currencies are also become convertible. Name the date when it became authorised?

3) Gorbachev's market economy plan was approved by the Soviet Union Parliament on which day of Oct 1990?

4) The joining of East and West Germany took place on ___ October 1990

5) Which year did China's first five-year plan end?

6) Industrial revolution first occurred in ____________

7) IMF (International Monetary Fund) started to function in which year?

8) Head Quarters of IMF is at _________

9) World Bank (IBRD-International Bank for Reconstruction and Development) started to function in

10) 'Soft Loan Window' is the other name of a financial institution, in which hard currencies can be borrowed by underdeveloped countries. Name the institution?

11) GATT (General Agreement on Tariff and Trade)'s headquarters is at _________

12) ASEAN is the group of countries that aims at the progress of the economy, social welfare, and stability in the region. When was ASEAN formed?

13) For development in agriculture the international Fund was inaugurated on ________

14) Council of Europe's headquarters is at ________

15) OCED (Organization of Economic Cooperation and Development) was formed on which year?

16) European Common Market (ECM) /European Economic Community (EEC) starts on _______

17) COMECON is the group of countries whose objective is to integrate and coordinate the economies of member nations. When was it founded?

18) EFTA (European Free Trade Association)'s headquarters is on __________

19) OPEC's biggest oil exporter is which country?

20) Which is not an essential condition for an economic problem to arise?