Verbal Reasoning - Mental Ability Questions

The weights of 4 boxes are 30, 20, 60 and 70 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

How many such letters are there in the below arrangement, each of which is immediately preceded by a number and NOT immediately followed by a letter?

Q@A3RI4*6T4&4O2^$WS

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

ef_he_g_e_gh

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

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

FT, JX, NB, RF, ?

Find the missing number in the given question/

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.

Who is the physician?

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