What will be the next number in the given series?
  3, 28, 4, 65, 5,126,6,.........?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.

RECIPROCATE

Select the option in which the numbers share the same relationship as that shared by the given pair of numbers.
72-14

Five friends are sitting in a row, looking in the south direction. Among them, Mohan is between Balu and Raju and Raju is on the immediate right of Parveen. Similarly, Amit is to the right of the Balu. Accordingly, who is on the right side?

Ram goes 4 km north of his house. Then he goes 3 km west, then 8 km south. How many kilometers away was he from his house?

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.
How many flights fly between Lufthansa and Delta?

Identify the organization that does not belong to the given group.

A father was twelve times as old as his son twenty years ago. Now he is twice as old as his son. What are the present ages of the son and father?