Home » Aptitude » Speed, Time and Distance » Question
  1. A bus moving at 40 km per hour covers a distance in 6 hours 15 minutes. If it travels the same distance at 50 km per hour how long will it take to cover the distance ?
    1. 2 hrs.
    2. 6 hrs.
    3. 4 hrs.
    4. 5 hrs.
Correct Option: D

Distance = Speed × TIme

=
40 × 6
1
km
4

=
40 × 25
km = 250 km
4

New speed = 50 kmph
∴  Required time
=
Distance
=
250
= 5 hours
Speed50


Second Method :
Here, S1 = 40, t1 = 6
15
=
25
604

S2 = 50, t2 = ?
S1t1 = S2t2
40 ×
25
= 50 × t2
4

t2 = 5 hrs.


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