If cos θ = $${1\over \sqrt{10}}$$, then tan θ is equal to.

Ramesh started from his house at 7:00 p.m. for his cycling practice. He went 8 km towards East, took left turn for 6 km, and again a left turn for 8 km. Then he decided to turn South-east till he reached the point where he had taken the first left turn. From there he took a right turns till he reached his house at 09:30 p.m. What distance did Ramesh cover on the South-east track?

Who is the president of the Council of Scientific and Industrial Research?

Directions: Read each sentence to find out whether there is any grammatical error in it. The error if any will be in one part of the sentence, the number of that part will be the answer. If there is no error, mark (5) as the answer. (Ignore errors of punctuation, if any.) 

To be a king and (1) / wear a crown are (2) / more glamorous to (3) / see than to bear. (4) / No error (5). 

Study the following information carefully and answer the given questions.
Seven flights namely Jet Airways, British Airways, Delta, Quantas, Emirates, Lufthansa, Air India are scheduled to fly to London. There is only one flight to London on each of the seven days of the week, starting from Monday and ending on Sunday.
Delta flies on Wednesday. Air India flies the day next to British Air ways. British Airways does not fly on Monday or Friday. Two airlines fly between the days British Airways and Emirates fly. Emirates does not fly on Sunday. Quantas flies a day before Lufthansa.
Which of the following flights flies on Friday?

Investors sentiment towards (1)/ India has soured in recent years(2)/as economic growth slowed(3)/ to less by 5% in current fiscal year to 8% in 2007 (4)/ No error (5).