Find out the odd word/letters/number/number pair from the given alternatives.

If "+" means "-", "x" means “÷", "÷" means "+" and "-" means "x", then-
105 x 3 – 16 + 9 ÷ 11 = ?

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?

Which one set of letter when sequentially placed at the gaps in the given letter series shall complete it?
F __ L __ OWFO __ LO __ __ OLL __ W

Direction : Study the following information carefully and answer the questions given below:
Eight friends Piyush, Sumit, Qasim, Rohit, Udit, Boby, Jack and Ayush are sitting around a circular table. Three frineds are facing away from the centre and others are sitting facing towards the centre. Sumit is sitting to the third right of Boby. Rohit is not near to Ayush. Qasim is sitting to the third left of Rohit, who is second right of Piyush and among these three friends one is facing away from the centre. Two friends are sitting between Ayush and Udit and two are sitting between Boby and Udit. Qasim is sitting second to the left of Jack, who is facing towards the centre. Sumit is facing towards the centre. Udit is not opposite to Boby and Qasim. 

Which of the following friends is facing away from the centre? 

Study the following information carefully and answer the questions given below-

(i) Six children B, D, C, M, J and K are divided into two groups of three each and are made to stand in two rows in such a way that a child in one row is exactly facing a child in the other row.

(ii) M is not at the ends of any row and is to the immediate right of J who is facing C. K is to the immediate left of D.

Which of the following groups of children is in the same row? 

Arrange the following words as per order in the dictionary.
1. Radiant 2. Resistance 3. Reactance 4. Represents

Identify the diagram that best represents the relationship among the given classes.

Complex number, Integer, Natural number