Each of the questions given below consists of a question followed by three statements. Please study the question and the statements carefully and determine which of the statement(s) is/are necessary to answer the question.

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1.

What is the present age of Divya?

I) The ratio between the present ages of Divya and her brother Arun is 3:4 respectively.

II) After 5 years the ratio between the ages of Divya and Arun will be 4:5.

III) Arun is 5 years older than Divya.

A) I and II only

B) II and III only

C) I and III only

D) All I, II and III

E) Any two of the three

2.

What is Ram's present age?

I) Five years ago, Ram's age was double that of his daughter's age at that time.

II) Present ages of Ram and his daughter are in the ratio of 11:6 respectively.

III) Five years hence, the respective ratio of Ram's age and his daughter's age will become 12:7

A) Only I and II

B) Only II and III

C) Only I and III

D) Any two of the three

E) None of these

3.

What is the difference between the ages of A and B?

I) The ratio between the ages of A and B is 2:3

II) B's age is 50% more than A's age.

III) One-fourth of A's age is equal to one-sixth of B's age.

A) All I, II and III

B) Any two of the three

C) III, and either I or II

D) Only I and II

E) Can't be answered with all three statements

4.

What is present age of X?

I) The sum of the ages of X and Y is 21 years.

II) The difference of the ages of X and Y is 5 years.

III) The prduct of the ages of X and Y is 104 years.

A) I and II only

B) II and III only

C) I and III only

D) Any of two of the three

E) None of these

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