Questions

The federal government debt is equal to the sum of past budget deficits minus the sum of past budget surpluses.

A duty is a task that is to be obeyed, followed and respected by all the citizens of the country or state.

The femur is the longest bone in the human body. It is also called as thigh bone. Stapes in the shortest bone in the body that is present in the middle ear.

The economy of the gilded age was characterized by growth in industry.

The trick here is to follow the structure of the statement. The blank is followed by 'of' and thus the blank will take a filler that can be followed grammatically by 'of' and also manages to give a proper meaning. On the basis of these filters, none of the options except option 2 makes any sense.

Afghan-India Friendship Dam is previously called as Salma Dam between India and Afghanistan on Hari river.