Mathematics

9 A train traveling at 36 km/h completely passes another train half its length in 12 seconds traveling in opposite direction at 54 km/h. If it also passes a platform in 1 1/2 minutes what is the length of platform: B.860 C.900 D.1000

A.30 B.40 C.50 D.60

A.125 B.150 C.175 D.185

A.90 B.100 C.140 D.150

A.h-2 B.d/h-2 C.d/(h-2) D.dh-2

A.1:01 B.1:03 C.1:04 D.1:45

A.32 B.30 C.25 D.none

A.5 seconds B.7.5 seconds C.40 seconds D.none

3 Two trains for Lahore leave Rawalpindi at 8:30 AM and 9:00 AM and travel at 60 km/h and 70 km/h. How many kilometers from Rawalpindi will the two trains be together: C.210 D.150

A.45m B.80m C.100m D.110m