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Question:  In a 100m race X beats Y by 10m,Y beats Z by 10m.by how much does X beat Z in a 100m race?



October 10, 2006 05:30:46 #6
 vignesh_ce   Member Since: October 2006    Total Comments: 1 
RE: In a 100m race X beats Y by 10m,Y beats Z by 10m.b...
 

hey think logically,

if y reach 100m, then z will be at 90m

so, if y reach 90m, then z will be at 91m.

they given when x reach 100m y will be at 90m,

but we found that when y @ 90m, z @81 m,

so the ans is 100-81=19m

this is the right ans.
     

 

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