If HACB is written 8132, then how DEFA is related to__.

In each of the following questions, four numbers are given out of which three are like in some manner while one is different. Choose the one which is different from the rest three?

Night blindness : Sight ∷ ________: Speech

Ajit is ranked seventh from the top and twenty-fifth from the bottom in a class. How many students are there in that class? 

If MACHINE is coded as 19-7-9-14-15-20-11, how will you coded DANGER?

In this question, four words have been given, out of which three are alike in some manner and the fourth one is different. Choose out the odd one?

In a running race, if you overtake the last but one contestant, which position are you in?

The sum of the ages of a father and his son is 56 years. After 4 years, the father's age will be 3 times his son's age. Their ages are respectively.