Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

An aeroplane with a speed of 600 km/h in still air requires 22.5 minutes longer to fly from a to b against 40 km/h wind than from b to a with the wind.

Find the distance between a and b.


1. A man takes 5 hours 45 min in walking to a certain place and riding back. He would have gained 2 hours by riding both ways. The time he would take to walk both ways isA. 11 hrsB. 8 hrs 45 minC. 7 hrs 45 minD. 9 hts 20 minView Answer|Notebook| Discuss

2. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?A. 8.2B. 4.2C. 6.1D. 7.2View Answer|Notebook| Discuss

3. Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?A. 12B. 11C. 10D. 9View Answer|Notebook| Discuss

4. A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.A. 121 kmB. 242 kmC. 224 kmD. 112 kmView Answer|Notebook| Discuss

5. A car traveling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. What is the actual speed of the car?A. 30 km/hrB. 35 km/hrC. 25 km/hrD. 40 km/hrView Answer|Notebook| Discuss

6. A man covered a certain distance at some speed. If he had moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. What is the the distance in km?A. 36B. 38C. 40D. 42View Answer|Notebook| Discuss
0 0 0
Can you check the question again
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts