Verbal Reasoning - Mental Ability Questions

Each  of  the  following  questions has   four   statements.   Three   are   logically correct.  Some  of  which  may  look  factually absurd.  Ignore  this  absurdity  and  look  to  the logical   corrections.   Choose   the   statement which is wrong or doubtful:-

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

200, 100, 50, 25, 12.5, 6.25, ?

From the given words, select the word which cannot be formed using the letters of the given word.
MYSTIQUE

Bommy is the daughter of Indu's brother. Indu has one sister, Chanda and one brother , Gopal. How is Bommy related to Gopal?

Deepak introduces Raju saying, "He is the husband of the granddaughter of the father of my father." How is Raju related to Deepak?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Cadartrally
2. Caddisflies
3. Caducities
4. Caddisworms
5. Cadetships

Aman is 4 years older to Bimal. Bimal is 2 years younger to Chaman. Chaman is 6 years older to Dhruv. Dhruv is 9 years younger to Esha. Who is the second eldest?

Selecttherelatedword/letters/numbersfromthegivenalternatives: Sanitation:Illness::Care:?