There are 6 persons A B C D E and F. C is the sister of F.B is the brother of E' husband. D is the father of A and grandfather of F . There are two fathers three brothers and a mother in the group. Who is E' husband?

D is father of A and grandfather of F. So, A is father of F. Thus, D andbA are the two fathers. C is the sister of F. So, C is the daughter of A . Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and C and F. So, B is brother of A. There are three brothers. So, F is the brother of C. Clearly, A is E's husband..

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

AZ, CX, FU, ?

The first letter of the first, second, third, .... terms are respectively moved two, three, four, ... steps forward to obtain the first letter of the successive term. The second letter of the first, second, third.... terms are respectively moved two, three, four, ... steps backward to obtain the second letter of the successive terms.

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A famliy consists of 6 member P, Q, R, X, Y and Z. Q is a son of R but R is not mother of Q. P and R are married couple. Y is the brother of R. X is a daughter of P. Z is a brother of P. Who is the father of Q?

Q is a son of a R but R is not mother. So, R is father of Q. P is married to R. So, P is a wife of R and mother of Q. X is a daughter of P and hence of R and so she is the sister of Q. Y is a brother of R and Z is a brother of P. R is a father of Q..

The average of six consecutive odd numbers is 61. What is the difference between the highest and lowest numbers:

Let's 6 consecutive odd numbers are:

3,5,7,9,11,13

Lowest term is 3 and highest is 13

13-3=10

So difference of 10 will remain the same in the consecutive series numbers.

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

Z, L, X, J, V, H, T, F, ?, ?

The given sequence consists of two series -- Z, X, V, T, ? and L, J, H, F, ?, both consisting of alternate letters in a reverse order.

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