Solve this:
Q. A person saves 180 minutes in covering a certain distance when he increases his speed form 25 km/h to 30 km/h. Find the distance
(A) 250 km (B) 420 km
(C) 450 km (D) 560 km
Dear Student
Let man travels distance S in t sec with speed 25km/h
Now when he travels same distance s with speed 30 km/h then time taken by him is t -3 hr
Regards
Let man travels distance S in t sec with speed 25km/h
Now when he travels same distance s with speed 30 km/h then time taken by him is t -3 hr
Regards