Question

6. An eighty meter long train crossed
a 120 meter length platform in
1 min. 20 sec. The speed of that
train is-
SAT 12 km./hr. (B) 9 km./hr.
(C) 45 km./hr. (D) 100 km./hr.​

Answer 1

Answer:

hope it help you.

stay safe.

Answer 2

Answer:

speed =distance/time

distance=80+120=200mtrs=.2km

time=80sec=80/3600hr=1/45hr

speed=(2×45)/10=9km/hr