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 45 kmph when will the owner over take the thief from the start?  Select.
A) A)2 B) B)5 C) C)7 D) D)4 E) E)8
Explanation:   |-----------20--------------------|   45 40   4 = 20   RS = 45– 40 = 5   T = 20/5= 
<gadget id="calculator">20/5</gadget>
<output>4</output>
4 hours   Answer: Option 4
<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 45 kmph when will the owner over take the thief from the start?