Identify the correct option to complete the following series.
1, 3, 5, 11, 21, 43, 85, 171,___

Directions: Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer

1) if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.

2) if the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

3) if the data either in statement I alone or in statement II alone are sufficient to answer the question.

4) if the data in both the statement I and II together are not sufficient to answer the question.

5) if the data in both the statement I and II together are necessary to answer the question.

Four friends W, X, Y and Z are sitting in a straight line facing north. Who is second to the right of W?

I. None of them sits on the right of X and on the left of W. Only one person sits between Y and X.

II. Z does not sit in the left end of the row and W does not sit next to Z.

Arrange the words given below in a meaningful sequence.
1.Teach
2.Feedback
3.Reteach
4.Plan
5.Replan

Read the statements and select a conclusion from the given alternatives: 

Statements: 
In a recent survey report, it has been stated that those who intake green vegetables every day are less prone to have any heart ailments.
Conclusions: 
I. Eating green vegetables is necessary for leading a healthy life.
II. All people who do desk-bound jobs definitely suffer from heart ailments. 

Statement:

Should an organization like UNO be dissolved? 

Arguments 

I. Yes, with cold war coming to an end such organizations have no role to play. 

II. No, In the absence of such organization there may be a world war. 

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
P _ R _ O _ _ E _ R _ S _ _ _ R O S

Select the option that is related to the fourth term in the same way as the first is related to the second term.
NRGLEDGLLQ : MOTIVATION :: ? : DEMEANOURS

Read the given information carefully and answer the following questions.
Seven businesses and their own businesses are doing practice in different cities - Chennai, Bangalore, Hyderabad, Mumbai, Ahmedabad, Jaipur and Bhubaneswar, but not necessarily in this order. Each has a different profession, not necessarily in the same order on doctor, engineer, pharmacist, lawyer, counsellor, professor and artist.
A is a Pharmacist and practices in Bhubaneshwar D practices in Bangalore but is not a doctor or artist. Is a practicing professor in Hyderabad. G is a counsellor and does not practice in Mumbai or Chennai. E is a lawyer and practices in Ahmedabad. F practices in Chennai but is not an artist. C practices in Mumbai

Which of the following combination of occupation and location is correct?