Verbal Reasoning - Mental Ability Questions

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.

Abandoned

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

9 - 14 + 15 x 10 ÷ 16 = ?

Avalanche : Ice :: Volcano : ___

BROWN : BNORW :: SOUND : ?

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

? , Hexane, Heptane, Octane

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

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
U, T, R, O, K ?

E, F, G, H and K visit a hospital on week days. Each one of them is a physician, surgeon, dentist, cardiologist, nephrologist but in the random order. Each visits the hospital only one day in the week and attends to their profession only.

Consider the following information and answer questions based on it.

1. The physician visits office every Monday.
2. E is the cardiologist who comes neither on Tuesday nor Thursday.
3. K is a surgeon and G is not the physician.
4. The person who visits the office on Thursday is not a nephrologist.
5. H works on a Tuesday and K works on the following day.

The cardiologist visits the office on