A thief goes away with a MARUTHI car at a speed of 40 kmph. The theft has been discovered after half an hour and the owner sets off in a bike at 50 kmph when will the owner over take the thief from the start ?	Choose one.
A) 8 hrs  B) 2 hrs  C) 5 hrs  D) 4 hrs  E) 1 hrs
Explanation:   |-----------20--------------------|   50 40   Difference = 20kms   Relative Speed = 50 â€“ 40 = 10 kmph   Time = 20/10= 
<gadget id="calculator">20/10</gadget>
<output>2</output>
2 hours.   Answer: 2 hrs
<result>B</result>
A thief goes away with a MARUTHI car at a speed of 40 kmph. The theft has been discovered after half an hour and the owner sets off in a bike at 50 kmph when will the owner over take the thief from the start ?