Question : In a circular path of 600 m, Pankaj and Rohit start walking in opposite directions from the same point at speeds of 2.85 m/s and 5.4 km/h, respectively. After how many minutes will they meet for the first time? (Rounded off to one decimal point)
Option 1: 3.2
Option 2: 2.3
Option 3: 2.7
Option 4: 4.7
Correct Answer: 2.3
Solution :
Given:
In a circular path of 600 m, Pankaj and Rohit start walking in opposite directions from the same point at speeds of 2.85 m/s and 5.4 km/h, respectively.
Rohit's speed in m/s is
So, their relative speed is (2.85 + 1.5) = 4.35 m/s
So, they will meet after
So, they will meet after 2.3 minutes.
Hence, the correct answer is 2.3.
SSC CGL Complete Guide
Candidates can download this ebook to know all about SSC CGL.