Question

$\sf\fbox{\underline{\underline\red{Question}}}$

☞ ... Places A and B are 30 km apart and they are on a straight road . Hamid travels from A to B on bike . At the same time Joseph starts from B on bike , travels towards A . They meet each other after 20 minutes . If Joseph would have started from B at the same time but in the opposite direction ( instead of towards A ) Hamid would have caught him after 3 hours . Find the speed of Hamid and Joseph ... ?​

Answer 1

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Answer 2

Solution

Let speed of Hamid = H km/hr

Let speed of Joseph = J. km/hr

Then when they travel in opposite direction

x=H×

3

1

30−x=J×

3

1

⇒30−H/3=J/3

⇒[J=90−H]...(i)

When same direction & meet at c

D=J×3

30+D=3H

[30+3J=3H]...(ii)

On solving eq

n

(i) & (ii) we get

[H = 50 km/br & J = 40 km/hr]