Question

34. A bus covers its journey at the speed of 80km/hr in 10hours. If the same distance is to be covered in 4 hours, by how much the speed of bus will have to increase ?95 kmph85 kmph105 kmph120 kmph

Answer 1

Speed=80km/hr

time=10hr

Distance=Speed*Time

=10*80

=800km

If the same distance is to be covered in 4hr

then,

Speed=Distance÷time

=800÷4

=200km/hr

therefore,

the speed to be increased=200-80

=120km/hr

the answer is 120kmph

HOPE IT IS HELPFULL