Verbal Reasoning - Mental Ability Questions

Engineer is related to Engineering in the same way as Doctor is related to

The age of the father 4 years ago was 8 times the age of his son. At present, the father's age is 4 times that of his son. Find the present age of son.

In the following question, select the odd word pair from the given alternatives.

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

20 + 5 x 4 ÷ 7 - 2 = ?

In a certain code language, if EXECUTIVE is coded as 5351695 and SCRIPT is coded as 714279, then EXIST will be coded as?

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

If 12x16 = 188 and 14x18 = 248, then find the value of 16x20 = ?

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

Nanga Parbat, Kanchenjunga, Mount Godwin­Austen, ?