Question

Two vehicles which are 100 km apart are running towards each other in a straight line. In how much time will they meet each other proviided they follow a uniform speed of 45 km per hour and 80km per hour respectively?​

Answer 1

Answer: 48 mins

Step-by-step explanation:

Answer 2

Two vehicles take 48 minutes to meet each other

Solution:

Given that,

Two vehicles which are 100 km apart are running towards each other in a straight line

Distance = 100 km

For two objects, travelling towards each other, then relative speed is addition of their speeds

They follow a uniform speed of 45 km per hour and 80km per hour respectively

Therefore,

speed = 45 + 80 = 125 km/hr

Find the time taken to meet

$Time = \frac{distance}{speed}\\\\Time = \frac{100}{125} = 0.8\ hour$

0.8 hour = 48 minutes

Thus they take 48 minutes to meet each other

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