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Questions  >>  Olympiad-Math  >>  Class 6  >>  Math  >>  Analytical Reasoning
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The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is


( A ) 86.5
( B ) 84.5
( C ) 87.5
( D ) 85.5

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