1.  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.