Question

A man leaves house and travels at speed of 10 km/hr reaches office 20 min late next day he incresed his speed 4 km/hr reaches on time ,find the distace?

Answer 1

Answer:

let time is x

$10(x + 20) = 14 x \\ 10x + 200 = 14x \\ 4x = 200 \\ x = 50 \\ now \: we \: got \: time \: so \\ distance \: = speed \times time \\ distance = \: 14 \times 50 \div 60 = 10km$

Step-by-step explanation:

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