A father's age was 8 times his son's age 4 years ago. Presently the father's age is 4 times that of his son. Find the present age of the son?

In this question, a sequence is given, with one term missing. Choose the correct option from the given options.
10 , 18 , 28 , 40 , ? 

In this question, a sequence is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
NOA , PQB , RSC ?

Write the following words in the order in the dictionary.
1. Eyelid
2. Eyeless
3. Eyesore
4. Eyesight

Select the related word / letters / number from the given alternatives.

Select the related word / letters / number from the given alternatives.

Select the related word / letters / number from the given alternatives.

Direction: Select the related word from the given alternatives.

26 : 48 :: 82 :?