Two buses start from a bus terminal with speed of 20 km/h at interval of 10 minutes. What si the speed of a man coming from the opposite direction towards the bus terminal if he meets thebuses at interval of 8 minutes?

dsuc.created: 3 years ago | dsuc.updated: 1 week ago

dsuc.updated: 1 week ago

3 km/h

4 km/h

5 km/h

7 km/h

Probashi Kallyan Bank প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021 গণিত সময়, দূরত্ব ও গতিবেগ (Time, distance & speed)

dsuc.explanation

common.best_ans:

মনেকরি, লোকটির বেগ = x km/h
প্রশ্নমতে,

20 \times \frac{10}{60} = (x + 20) \times \frac{8}{60}

⇒ 25 = x + 20
⇒x = 25 - 20
⇒ x = 5 km/h

3 years ago

1 0

Md Azizur Rahman

common.founder_of_satt

গণিত

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