Explanation:

Only statements 2&3 are correct.

• GDP is the total market value of all goods and services produced in the economy during a particular year, inclusive of all taxes and subsidies on products. The market value taken at current prices is the nominal GDP. The value taken at constant prices — that is prices for all products taken at an unchanged base year — is the real GDP.

• In simple terms, real GDP is nominal GDP stripped of inflation. Real GDP growth thus measures how much the production of goods and services in the economy has increased in actual physical terms during a year. 

• Nominal GDP growth, on the other hand, is a measure of the increase in incomes resulting from rise in both production and prices.

Hence option 2nd is correct.