67th B.P.S.C. (Re-Exam) (Pre) 2022

A train of length 140 m is running at a speed of 60 km/hr and a dog is running in the same direction parallel to the train at a speed of 18 km/hr. The train will cross the dog in

a10 seconds
b11 seconds
c12 seconds✓ Correct
d$12\frac{1}{2}$ seconds
eNone of the above/More than one of the above
general-mental-ability