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Kapil travelled a certain distance by a bus travelling at a speed of 25 km/h and then came back on foot at a speed of 4 km/h. The entire journey took 5 hours and 48 minutes. What is the distance travelled by Kapil by bus?

Kapil travelled a certain distance by a bus travelling at a speed of 25 km/h and then came back on foot at a speed of 4 km/h. The entire journey took 5 hours and 48 minutes. What is the distance travelled by Kapil by bus? Correct Answer <span style="">20 km</span>

Given:

Kapil travelled a certain distance by a bus = 25 km/h

Kapil travelled by foot = 4 km/h

Total time of entire journey = 5 hours 48 min 

Formula used:

Distance = Speed × Time

Calculation:

Let the distance be x km/h

According to the question

⇒ x/25 + x/4 = 5 hr + (48/60)

⇒ x/25 + x/4 = 5 + 4/5 

⇒ x/25 + x/4 = 29/5

⇒ (4x + 25x)/100 = 29/5

⇒ 29x/100 = 29/5

⇒ x = 100/5

⇒ x = 20 km

∴ The distance travelled by Kapil by bus is 20 km

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