Q245
A man travels some distance at a speed of 12 km/hr and returns at a speed of 9 km/hr. If the total time taken by him is 2 hr 20 min, the distance is :
A.
35 km
B.
21 km
C.
9 km
D.
12 km
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Let the distance be x kmAccording to the question,