Ramesh Travels first 30 km in 30 min and next 60 km in 45 min then find his average speed
Answers
Step-by-step explanation:
Abdul goes from city A to city B at the speed of 40 km/hr and returns a speed of 60 km/hr.
Total time taken by him is 10 hours.
Formula Used:
Average Speed = Total distance/Total time taken
Calculation:
Let the distance be x km.
Time taken from city A to city B = x/40 = x/40 hours
Time taken from city B to city A = x/60 = x/60 hours
Total time = 10 hours
⇒ x/40 + x/60 = 10
⇒ x × 10/240 = 10
⇒ x = 240 km
The distance travelled = 240 km
∴ The distance between A and B is 240 km.
Average speed = 2 × S1 × S2/(S1 + S2)
Average speed = 2 × 40 × 60 /(60 + 40) = 48 km/hr
The distance between A and B = (48 × 10)/2 = 480/2 = 240 km
∴ The distance between A and B is 240 km.
Answer:
30+60 / 60+45
=90/75
Step-by-step explanation:
Total distance = 90
Total time = 75
Average speed = Total distance / Total time
= 90/75
if u want u can simplify it further.