Subject: mathqa
Question: a thief goes away with a santro car at a speed of 50 kmph . the theft has been discovered after half an hour and the owner sets off in a bike at 60 kmph when will the owner over take the thief from the start ?
Option: 
A: b ) 5
B: a ) 2
C: c ) 7
D: e ) 8
Answer: B