A thief goes away with a SANTRO 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?	Select the correct option.
A) 22 hours
B) 21 hours
C) 23 hours
D) 20 hours
E) 28 hours
20 hours   20 hours   |-----------20--------------------|   50 40   20 hours = 20   RS = 50 – 40 = 10   T = 20/10= 
<gadget id="calculator">20/10</gadget>
<output>2</output>
2 hours
<result>D</result>
A thief goes away with a SANTRO 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?