Math, asked by mishrabrothers0111, 9 months ago

two friends A and B are 30 kilometre apart they start simultaneously on motorcycle to meet each other the speed of a is three times that of B the distance between them decreases at the rate of 2 kilometre per minute 10 minutes after they start is a vehicle breakdown and it stops and wait for b to arrive after how much time in minutes a started riding does B meet a ​

Answers

Answered by mohanasrijap
1

Answer:

30 min

Step-by-step explanation:

Speed of B = V km/hr

Speed of A = 3V km/hr

Given 4V = 2 × 60 km/hr ⇒ V = 30 km/hr

 Distance covered by then after 10 min = 2 × 10 = 20 km  so remaining distance = (30 – 20) km

= 10 km  

Time taken by B to cover 10 km = 10/30/60 = 20 min.

Total time = 20 +10= 30min

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