A man travels 100 miles at 20 miles per hour, 60 miles at 30 miles per hour and 80 miles at 10 miles per hour, what is his average rate for the three trips?

Created: 6 years ago | Updated: 2 years ago

Updated: 2 years ago

18 miles per hr

17 miles per hr

20 miles per hr

16 miles per hr

Bank Alfalah Ltd Bank Alfalah Ltd- MTOs Recruitment Test - 2005 গণিত গড় (Average)

ব্যাখ্যা

479

Best Ans:

Time travelled at 20 miles//hr = 100/20 = 5 hrs

Time travelled at 30 miles//hr = 60/30 = 2 hrs

Time travelled at 10 miles//hr = 80/10 = 8 hrs

Total time travelled = 5 + 2 + 8 = 15 hrs

Total travelled = 100 + 60 + 80 = 240 miles

Average rate = 240 / 15 = 16 miles per hour

6 years ago

0 0

Md Azizur Rahman

Founder of Satt

গড় (Average)