Questions

Dolorous is correctly spelt which means feeling or expressing great sorrow or distress.

West Bengal state government will observe Rosogolla Day on November 14 2018 to commemorate the first anniversary of the state’s famous sweet getting Geographical Indication (GI) tag as 'Bengal’s Rosogolla'.

Since, the sentence starts talking about the thought process, R will be the next statement as it is talking about the two factors. Q will be the continuing statement as it carries a relative pronoun which connects both the statement. S follows Q as it discusses the need for a language and P discusses why there is a need for the international language.

The correct formation would be, ‘We can think of two factors which suggest the need for an international language often confused in the public mind’.

A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys, but one candidate key is unique, and it is called the primary key.