Home » Aptitude » Speed, Time and Distance » Question
  1. A boy started from his house by bicycle at 10 a.m. at a speed of 12 km per hour. His elder brother started after 1 hr 15 mins by scooter along the same path and caught him at 1.30 p.m. The speed of the scooter will be (in km/hr)
    1. 4.5
    2. 36
    3. 18
      2
      3
    4. 9
Correct Option: C

Let the speed of Scooter be x Distance covered by cycling in

3
1
hours = Distance covered by scooter in
2

2
1
hours
4

⇒  12 ×
7
= x ×
9
24

⇒  x =
12 × 7 × 2
9

=
56
= 18
2
kmph
33


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