A thief steals at a car at 1.30 p.m. and drives it at 60 km/hr. The theft is discovered at 3 p.m. and the owner sets off in another car at 75 km/hr. When will he overtake the thief?  Choose one:
A) 1 p.m  B) 3 p.m  C) 4. p.m  D) 5 p.m  E) 6 p.m
C   4 p.m   Suppose the thief is overtaken x hrs after 1.30 p.m.   Then, distance covered by the owner in (x - 1/2) hrs.   60x = 75(x - 1/2) =&gt; x = 5/2 hrs.   So, the thief is overtaken at 4. p.m.
<result>C</result>
A thief steals at a car at 1.30 p.m. and drives it at 60 km/hr. The theft is discovered at 3 p.m. and the owner sets off in another car at 75 km/hr. When will he overtake the thief?