Arithmetic Aptitude :: Problems on Ages
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
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What is Arun's present age?
I. Five years ago, Arun's age was double that of his son's age at that time.
II.Present ages of Arun and his son are in the ratio of 11 : 6 respectively.
III.Five years hence, the respective ratio of Arun's age and his son's age will become 12 :7
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What is Ravi's present age?
I.
The present age of Ravi is half of that of his father.
II.
After 5 years, the ratio of Ravi's age to that of his father's age will be 6 : 11.
III.
Ravi is 5 years younger than his brother.
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What is the present age of Tanya?
I.
The ratio between the present ages of Tanya and her brother Rahul is 3 : 4 respectively.
II.
After 5 years the ratio between the ages of Tanya and Rahul will be 4 : 5.
III.
Rahul is 5 years older than Tanya.
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Correct answer is (D).