Verbal Reasoning - Mental Ability Questions

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

2, 5, 10, 17, ? , 37

Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words.

Spinach: Fenugreek: Celery

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

5, 10, 13, 26, 29, 58, 61, ?

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

30, 62, 189, 760, ?

Anand is son of Prema. Rajeev is brother of Prema. Neha is daughter of Rashmi . Neha is sister of Rajeev. How is Anand related to Rashmi ?

In each of the following questions three statements are given and these statements are followed by two conclusions numbered (1) and (2). You have to take the given three statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.
Statements:

All books are novels.
No novel is a magazine.
All magazines are newspaper.
Conclusions: 

I.No book is a magazine.
II. Some newspaper are novels.

In a certain code language, 'x' represents '+', '÷' represents 'x', '­' represents '÷' and '+' represents '­'. Find out the answer to the following question.

5 ÷ 4 ­ 10 + 7 x 16 = ?

In a certain code language, “NOTES” is written as “141520519” and “MAKAR” is written as “13111118”. How is “LOFTS” written in that code language?