Question
If a person walk at 14 km/hr instead of 10 km/hr , he would have walked 20 km more . The actual distance travelled by him is
Answer: Option A
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Let the actual distance travelled be `x` km. then ,
`x/10 = (x + 20)/(14)`
`hArr 14x = 10x + 200 hArr 4x = 200 hArr x `= 50 km.
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