There are six persons A, B, C, D , E and F. C is the sister of F. B is the brother of E's 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 the mother ?

D. E

Choose or find odd word - Hypothesis , Assumption , Observation , Experiment

D. EXPERIMENT

Choose or find odd word - Fingers , Palm , Knee , Wrist

C. KNEE

A + B means A is the father of B ;
A - B means A is the wife of B ;
A x B means A is the brother of B ;
A ÷ B means A is the daughter of B.

If P x R + Q, which of the following is true ?

A. P IS THE UNCLE OF Q

In following questions, one term in number series is incorrect. - Find out the incorrect number 2, 5, 10, 17, 26, 37, 50, 64

D. 64