Question : Select the option that expresses the given sentence in passive voice.

The Mesopotamians invented the decimal system.

Option 1: The decimal system was invented by the Mesopotamians.

Option 2: The decimal system is invented by the Mesopotamians.

Option 3: The decimal system is an invention of the Mesopotamians.

Option 4: The decimal system has been invented by the Mesopotamians.

Question : ' Permanent Sattlement ', the system of revenue collection was introduced in India by 

Option 1: Lord Curzon 

Option 2: Lord Dalhousie

Option 3: Lord Hastings 

Option 4: Lord Cornwallis 

Question : The 'IBM-DOS' is a

Option 1: single user operating system

Option 2: multiuser operating system

Option 3: batch operating system

Option 4: time-sharing operating system

Question : The declaration that Democracy is a Government 'of the people, by the people; for the people' was made by

Option 1: George Washington 

Option 2: Winston Churchill

Option 3: Abraham Lincoln 

Option 4: Theodore Roosevelt 

Question : After the Bardoli Satyagraha, the title of 'Sardar' to Vallabhbhai Patel was given by -

Option 1: Jawaharlal Nehru 

Option 2: Motilal Nehru 

Option 3: Mahatma Gandhi 

Option 4: Maulana Abul Kalam Azad