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ICSE Class 7 Answered

(1) A 110-m-long train travels at 30 km/h. How long will it take to cross a 90 m long?
Asked by anuradhaenterprises10 | 11 Nov, 2021, 10:01: PM
answered-by-expert Expert Answer
Length of the train = 110 m and length of the platform = 90 m
The train needs to cover a distance of 110+90 = 200 m = 0.2 km
Time = Distance/ Speed

T h e r e f o r e comma space t i m e equals fraction numerator 0.2 over denominator 30 end fraction equals 1 over 150 space h o u r equals 3600 over 150 s e c equals 24 space s e c o n d s

Answered by Renu Varma | 11 Nov, 2021, 11:04: PM

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