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100km/h+80km/h=180km/h

The two trains approach each other at 180 km/h.

1 h = 60 min    arrow             180 km

        1  min = 60s  arrow        3 km = 3000 m

                     6s    arrow    300 m.

0 Replies 0 Likes ✔Accepted Answer

100km/h+80km/h=180km/h

=3km/min

=0.05km/s

6×0.05km/s=

0.3km

=30m

Answer: 30 metres

 

 

1 Reply 1 Like

Should be 300 m, not 30 m. Thanks.

0 Replies 1 Like
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