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ICSE Class 7 Answered

Q. A train 180 m long is moving at 35 km/h.another train  moving in the  opposit direction  at 25 km/h along a parallel track passes by it in 18 s.find the length of the second train.
Asked by bishtbharat869 | 27 Aug, 2019, 09:52: PM
answered-by-expert Expert Answer
Let length of another train x
Distance space equals space 180 space plus space straight x
Speed space equals space 35 space plus space 25 space equals space 60 space km divided by straight h space equals space 50 over 3 straight m divided by straight s
time space equals space 18 straight s
straight D space equals straight s cross times straight t
180 space plus space straight x equals 50 over 3 cross times 18
straight x equals 120 space straight m
Answered by Arun | 02 Sep, 2019, 10:31: AM
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