Read the following information carefully to answer these questions given below it.
There are six teachers A, B, C, D, E and F ina school. Each of the teachers teaches two subjects, one compulsory subject and the other optional subject. D's optional subject is History while three others have it as compulsory subject. E and F have Physics as one of their subjects. F's compulsory subject is Mathematics which is an optional subject of both C and E. History and English are A's subjects but in terms of compulsory and optional subjects, they are reverse of those of D's. Chemistry is an optional subject of any one of them. There is only one female teacher in the school who has English as her compulsory subject.
Disregarding which is compulsory and which is the optional subject, who has the same two subjects combination as F?
Seven poles A, B, C, D, E, F and G are put in such a way that the distance between the next two decreases by 1 metre. The distance between the first two poles, A and B,is 10 metres, Now answer the following questions?
If the authorities decide to remove one pole and place the remaining on equal distances among the poles, then each set of two poles would be .......... metres apart.
In these questions, there are four groups of letters, words or numbers listed as (a), (b), (c) and (d). On of the groups does not belong to the same category as others. Find the odd one out.