Q250
A person, who can walk down a hill at the rate of 41/2 km/hr and up the hill at the rate of 3 km/hr. He ascends and comes down to his starting point in 5 hours. How far did he ascend ?
A person, who can walk down a hill at the rate of km/hr and up the hill at the rate of 3 km/hr. He ascends and comes down to his starting point in 5 hours. How far did he ascend ?
A.
13.5 km
B.
3 km
C.
15 km
D.
9 km
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Let the height of the hill = x kmThe distance will be same man either ascend and descend