Comprehension Passage
Direction: Read the following information carefully and answer the questions below.
15 people, A, B, C, D, E, F, G, P, Q, R, S, T, U, V and W sit in a straight line facing north. They are ranked from 1 to 15 in their class and are not seated according to their ranks. We see that:
A, B and E, F are sitting together. C sits 5th from the left. E sits in the middle of everyone and is ranked 10th. F sits immediately to the left of U and P sits immediately to the left of C. C is ranked 12th and G is ranked 1st. There are 4 people sitting between D and R. W, who is ranked 4th, sits at the other extreme end. A sits on one of the ends and to the left of the person who is ranked 2nd.
How many groups of letters exist such that they are placed next to their alphabetically adjacent letter in the arrangement, if Q sits between D and E, G and T are such seated that they hold same position from one of the ends and V is immediate left of G?
1
4
2
2
3
3
4
6