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

D. EXPERIMENT

In each of the following questions, find which one word cannot be made from the letters of the given word. CONSTITUTIONAL

C. TALENT

If a + b + c = 0, then the value of (a2/bc + b2/ca + c2/ab) is :

D. 3

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

C. KNEE

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