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Problems on Ages – Data Sufficiency 3

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Problems on Ages – Data Sufficiency 3

Directions to Solve

Each of these questions is followed by three statements. You have to study the question and all the three statements given to decide whether any information provided in the statement(s) is redundant and can be dispensed with while answering the given question.

1. 
What will be the ratio between ages of Sam and Albert after 5 years?
I. Sam’s present age is more than Albert’s present age by 4 years.
II. Albert’s present age is 20 years.
 III. The ratio of Albert’s present age to Sam’s present age is 5 : 6.
A. Any two of I, II and III
B. II only
C. III only
D. I or III only
E. II or III only

Answer: Option A

Explanation:

Clearly, any two of the given statements will give the answer and in each case, the third is redundant.

 Correct answer is (A).
2. 
What is the difference between the present ages of Ayush and Deepak?
I. The ratio between Ayush’s present age and his age after 8 years 4 : 5.
II. The ratio between the present ages of Ayush and Deepak is 4 : 3.
 III. The ratio between Deepak’s present age and his age four years ago is 6 : 5.
A. Any two of I, II and III
B. I or III only
C. Any one of the three
D. All I, II and III are required
E. Even with all I, II and III, the answer cannot be obtained.

Answer: Option A

Explanation:

Clearly, any two of the given statements will give the answer and in each case, the third is redundant.

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