NCHMCT JEE 2021 Question Paper with solutions for online practice

© examsiri.com

Question : 88 of 200

Marks: +1, -0

A train

150 {m}

long passes a telegraphic post in

12 {sec}

. Find the speed of the train.

$50 {km} \/ {h}$
$12.5 {km} \/ {h}$
$25 {km} \/ {h}$
$45 {km} \/ {h}$

Solution:

Length of train

=150 {m}

\;\text " Time "\;=12 {s}

∴

Speed of train

=\;{150}/{12} {m} \/ {s}=\;{150}/{12} × \;{18}/{5}=45 {km} \/ {h}

© examsiri.com

Go to Question:

Prev Question

Next Question