The question given below is followed by three statements (I), (II), (III) and (IV) Which of the following statement or statements is/are required to answer the given question?
There are four persons ‘P’, ‘Q’, ‘R’, and ‘S’. The ratio of the present ages of ‘P’ and ‘R’ is 4:7, respectively. Find the present age of ‘Q’.
Statement (I): ‘Q’ is 5 years and 20 years, older than ‘R’ and ‘P’, respectively.
Statement (II): The present age of ‘R’ is 35 years. ‘S’ is 10 years and 15 years, younger than ‘R’ and ‘Q’, respectively.
Statement (III): ‘S’ is the youngest of all.
Statement (IV): The present age of ‘P’ is 20 years.
1
Either (III) or (IV) alone
2
Either (I) or (II) alone
3
Either (I) or (III) alone
4
Either (II) or (IV) alone
5
None of the above is sufficient