Question

A b and c walk 1km in 5min,8minand 10min respectively. C starts wlking from a point at a certain time /b starts from the same point 1min later a starts from the same point 1min later than



c.When they will meet?

Answer 1

Using relative velocity

Answer 2

A meets B & C  after  5/3  & 2 Mins respectively

Step-by-step explanation:

A start 2 mins later than C

B start 1 mins Later than C

=> A start 1 min Later than B

Let say A meets B after t mins

Distance covered by A in t mins  = Distance Covered by B in t + 1 mins

=> t * /5  = (t + 1)/8

=> 8t = 5t + 5

=> 3t = 5

=> t = 5/3

Let say A meets C after t mins

Distance covered by A in t mins  = Distance Covered by C in t + 2 mins

=> t * /5  = (t + 2)/10

=> 2t = t + 2

=> t = 2

A meets B & C  after  5/3  & 2 Mins

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