Verbal Reasoning - Mental Ability Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

80 + 2 ÷ 25 + 5 - 10 = ?

Select the related word/letters/number from the given alternatives.
25: 260 : : 30 : ?

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) Only first division holders are admitted.
(II) Ram is a first division holder.

Conclusions:
(I) Ram is admitted.
(II) Only Ram is admitted.

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

DM, EN, FO, ?

Raman is Sunaina's father and Sunaina is Vidur's wife. Saksham is the father of Vidur's father. How is Saksham related to Sunaina?

Choose the most appropriate word ‘ACCIDENT’ is to ‘CAREFULNESS’ as ‘DISEASE’ is to

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
49, 64, ?, 100, 121

Sonal is standing to the north of Amar and to the west of Mahi. In which direction is Mahi standing with respect to Amar?