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The following question consists of three statements. You have to study the question and the statements, and decide which of the statements is/are necessary to answer the question. What is Arnav's present age? I. Five years ago, Arnav's age was double that of his son's age at that time. II. Present ages of Arnav and his son are in the ratio of 11 ∶ 6. III. Five years hence, the ratio of Arnav's age and his son's age will become 12 ∶ 7.

The following question consists of three statements. You have to study the question and the statements, and decide which of the statements is/are necessary to answer the question. What is Arnav's present age? I. Five years ago, Arnav's age was double that of his son's age at that time. II. Present ages of Arnav and his son are in the ratio of 11 ∶ 6. III. Five years hence, the ratio of Arnav's age and his son's age will become 12 ∶ 7. Correct Answer Any two of the three

Calculation:

(ii) Let the present age of Arnav and his son be 11x and 6x respectively

(i) 5 years ago, Arnav's age = 2 x His son's age

(iii) 5 years hence, Arnav age/his son = 12/7

Clearly any two of the above will give Arnav's present age

∴ Any two of the three

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