Verbal Reasoning - Mental Ability Questions

In the following question, select the missing number from the given series.

13, 16, 20, 23, 27, ?

Which of the following diagrams represent the relationship between Male, Husband and Model.

If the digits in the number 25673948 are arranged in ascending order from left to right, what will be the sum of the digits which are fourth from the right and third from the left in the new arrangement?

In a certain code language, 'is uc he bh kr' mean 'Lucky likes to dance freely', 'ha by lm kr op' mean 'Dance can be a hobby', 'he id ac kr bh' mean 'Lucky teaches dance to kids' and 'kr id bh tw uc' mean 'Kids dance freely with Lucky'.

Now answer the given question.

'Lucky likes to dance with kids' can be coded as ?

Of the six members of a panel sitting in a row  X is to left of Q but on the right  of P. Y is in the right of Q but is on the left of Z, Z is to the left of R. Find the members who are at the extreme?

Bread : Yeast :: Curd : ?

Country : President :: State : ?

Identify the diagram that best represents the relationship among classes given below:

Professors, post graduates & employed.