If LOSE is coded as 1357 and GAIN is coded as 2468, what do the figures 84615 stand for?

Pointing to a girl Sandeep said, "She is the daughter of the only sister of my father." How is sandeep related to the girl?

Which of the following terms follows the trend of the given list?
ABABAbab, ABABabaB, ABAbabAB, ABabaBAB, AbabABAB, _______________.

Find the missing number in the following diagram?

If 'sand' is called 'air', 'air' is called 'plateau', 'plateau' is called 'well, 'well' is called 'island' and island' is called 'sky', then from where will a woman draw water? 

The ratio of the present ages of Veeru and Sunita is 14:17 respectively. After 6 years from now the ratio of their ages will be 17:20 then, what is the present age of Veeru -

The number of letters skipped in between the adjacent letters in the series are consecutive even numbers. 

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?