Find the odd-one out ?

Select the related word/letters/number from the given alternatives.

Fire : Water :: Hunger:?

12 : 30 : : 20 ?

Direction: - In the following question, a statement is given followed by two courses of Action. A course of Action is taken for improvement, follow up etc. Read the statement carefully and give answer -
1. If only Course of Action I follow.
2. If only Course of Action II follows.
3. If either Course of Action I or II follows.
4. If neither Course of Action I nor II follows.
5. If both Course of Action I and II follow.

Statement- There has been a significant drop in the water level of all the lakes supplying water to the city.
Course of action-
I- The water supply authority should impose a partial cut in supply to tackle the situation.
II- The government should appeal to all the residents through mass media for minimal use of water. 

Direction (6-10): Study the following information carefully to answer these questions.

Eight persons A, B , C , D, E , F , G and H work for three different companies namely X, Y and Z. Not more than three persons work for a company. There are only two ladies in the group who have different specialization in each HR, Finance and Marketing. One member is an engineer and one is a doctor.  H is an HR Specialist and works with a marketing specialist B who does not work for company Y. C is an engineer and his sister work in company Z. D is a specialist in HR working in company X while her friend G is a finance specialist and works for company Z. No Two persons having the same specialization work together. Marketing specialist F works for company Y and his friend A who is a finance expert works for company X in which only two specialists work. No lady is a marketing specialist or a doctor.

Who amongst friends is a doctor?

Directions : Study the following information and answer the questions given :
Seven people - A, B , C , D , E , F and G are sitting in a circle . Five of them are facing the centre while two of them are facing opposite to the centre. C sits third to the left of D and both are facing the centre. E is neither an immediate neighbour of D nor of C. The one sitting exactly between D and F is facing opposite to the centre. G sits third to the right of A and G is facing the centre. One of B ' s neighbour is facing opposite to the centre.

Which of the following pairs rep resents persons, facing opposite to the centre? 

A, B, C,D and E are standing in a row. D is the immediate neighbour of A and E. B is at the right of E and C is in the extreme right. Who is fourth to the left of C?

In the following question, select the odd number from the given alternatives.