A constable Ram is 225 m behind a thief Somesh. Ram runs 50 m and Somesh runs 30 m in a minute. At what time will the constable Ram catch the thief Somesh?

Correct option is D

Given:
Distance between Ram and Somesh = 225 m
Speed of Ram = 50 m in a minute
Speed of Somesh =30 m in a minute
Formula used:
Distance = Relative Speed × Time
1 m/min = 1/60 m/sec
Concept Used:
1. Same directions: When two objects are moving in the same direction, their relative speed is the difference between their speeds.
Relative Speed=∣Speed1−Speed2|
2. Opposite Directions: When two objects are moving in opposite directions, their relative speed is the sum of their speeds.
Relative Speed=Speed1+Speed2
Solution:
Distance = Relative Speed × Time

Time = 225 × 3
Time = 675 seconds = 11 minutes 15 seconds