Quantitative Aptitude Ques 1076
Question: A bus moving at a speed of 45 km/h overtakes a truck 150 m a head going in the same direction of 30 s. The speed of the truck is
Options:
A) 27 km/h
B) 24 km/h
C) 25 km/h
D) 28 km/h
Show Answer
Answer:
Correct Answer: A
Solution:
- [a] Let the speed of the truck $ =xkm/h $ Relative speed of the bus $ =(45-x)km/h $
$ \therefore $ $ Time=\frac{Speed}{Distance} $ $ \frac{30}{60\times 60}=\frac{\frac{150}{1000}}{(45-x)} $
$ \Rightarrow $ $ \frac{1}{6}=\frac{3}{45-x} $
$ \Rightarrow $ $ 45-x=18 $
$ \Rightarrow $ $ x=45-18 $
$ \Rightarrow $ $ x=27,Km/h $
BETA
