A is twice as fast as B and B is thrice asa fast as C.The journey covered by C is 42 min wil be covered by A in
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If c is x then b is 3x
According to the question a =3x×2=6x
C=x=42min
So A=6×42=252min
According to the question a =3x×2=6x
C=x=42min
So A=6×42=252min
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