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In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by:

Correct Answer: 28m

A : B = 100 : 75

 

B : C = 100 : 96.

 

A : C = (A/B*B/C) = (100/75*100/96) = 100/72  =100:72     

 

   A beats C by (100 - 72) m = 28 m.

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