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In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, C will beat B by:

Correct Answer: 25 m

Explanation:

A : B = 200 : 169.


 


 


 


A : C = 200 : 182.


 


 


 


C/B = (C/A*A/B) = (182/200*200/169) = 182:169


 


 


 


When C covers 182 m, B covers 169 m.


 


 


 


When C covers 350 m, B covers (169/180*350)m  = 325 m


 


 


 


Therefore, C beats B by (350 - 325) m = 25 m.


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