Math, asked by sharon00, 1 year ago

At 10 am a train leaves Delhi for Chennai at a speed of 72 km/hr.At 11 am another train starts from Delhi for Chennai at a speed of 90 km/hr.At what time will it overtake the slower train ? Please friends tell me the answer fast.....

Answers

Answered by jhakritika2017

21

Maine photo bheji hai. Full explanation ke liye.

Attachments:

Answered by pranjalienjoyfacts

5

Answer:

3 pm

Step-by-step explanation:

the train meet after' y' hours

1st train travel y hrs

distance traveled by train =72 x

second train travels x-1 hours

distance traveled by 2 nd train = 90x-90

72x=90x -90

90 = 90 x - 72 x

90=18x

x = 5

.

. . 10 +5 = 3 pm

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