Answer: A) Satvahan Explanation:

Answer: B) 210 Explanation: Let the required number be 'p' We know, sum of angles in a triangle are 180 deg According to given data, p - p/7 = 180 7p - p = 180 x 7 => 6p = 1260 => p = 1260/6 = 210

Answer: A) Net Domestic Product Explanation: Gross Domestic Product :  It is the total value of all final goods and services produced within the boundary of country during the given period of time.  Gross National Product : It is the total value of the total output or production of final goods and services produced by the nationals of a country during a given period of time.  Gross National Income :  It is the total domestic and foreign output claimed by residents of a country, consisting of gross domestic product (GDP) plus factor incomes earned by foreign residents, minus income earned in the domestic economy by non-residents. Net National Product : The total value of goods produced and services provided in a country during one year, after depreciation of capital goods has been allowed for.

Answer: C) Romans Explanation: Romans (753 BC - AD 410) began public health and sanitation systems.   Romans established the first public health and sanitation systems by building sewers and aqueducts. They also treated diseases with diet, exercise and meditation.