A biker rode 45 miles in 180 minutes. What ws his speed (mph) during this ride ?

Created: 6 years ago | Updated: 3 years ago

Updated: 3 years ago

17 mph

15 mph

12mph

9 mph

4 mph

Bangladesh Bank Bangladesh Bank - Assistant Director - 2013 গণিত সময়, দূরত্ব ও গতিবেগ (Time, distance & speed)

ব্যাখ্যা

668

Best Ans:

We know,

60 minutes = 1 hour

Or, 1 minutes = 1/60 hour

Or, 180 minutes = 180/60 hour

= 3 hours

Here, Times (t) = 3 hours;

Distance (s) = 45 miles

And Velocity (v) = ? Mph

Again, we know that,

S = vt

= > v = s/t

= > v = (45÷3) mph

= > v = 15 mph

6 years ago

0 0

Md Azizur Rahman

Founder of Satt

সময়, দূরত্ব ও গতিবেগ (Time, distance & speed)