Question

A man covers the distance of200 km travelling a uniform speed 'x' per hour . The distance could have been covered in 2 hour less had the speed been (x+5)k/h then find the value of x

Answer 1

Hi,

It is give n that x=200/t(speed=distance/time)

And by second condition

X+5=200/t-2

By substituting Ist eq in 2nd

We get 200/t+5=200/t-2

By solving this we get

5t square -10t-400

If u solve this eq u will get time and by substituting the obtained t in eq 1u will get x

Hope it helps u

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