ICSE Class 6 Answered
A train 150 m long passes a tree in 12 second. How long will it take to pass a tunnel 250 m long?
Asked by Sunilsrivastava142 | 28 Jul, 2019, 12:46: PM
Expert Answer
Direct proportion is given
150m=12sec
250m =x seconds
Do Cross multiplication
250(12)=150(x)
250/150(12)=x
5/3(12)=x
[3(4)=12]
5(4)=x
x=20
Answered by Arun | 28 Jul, 2019, 05:56: PM
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