SATHEE: Quantitative Aptitude Ques 777

Quantitative Aptitude Ques 777

Question: A train speeds past a pole in 20 s and speeds past a platform 100 m in length in 30 s. What is the length of the train? [RRB (SO) 2010]

Options:

A) 100 m

B) 150 m

C) 180 m

D) 200 m

E) None of these

Show Answer

Answer:

Correct Answer: D

Solution:

Let the length of train be x m.

$ \therefore $ Speed of train $ =\frac{x}{20}=\frac{x+100}{30} $

$ \Rightarrow $ $ 3x=2x+200 $

$ \Rightarrow $ $ x=200 $

BETA

Privacy Policy

Powered by Prutor@IITK

sathee@iitk.ac.in

Media coverage of SATHEE

Play Store

App Store

The Ministry of Education has launched the SATHEE initiative in association with IIT Kanpur to provide free guidance for competitive exams. SATHEE offers a range of resources, including reference video lectures, mock tests, and other resources to support your preparation. Please note that participation in the SATHEE program does not guarantee clearing any exam or admission to any institute.

Quantitative Aptitude Ques 777

Question: A train speeds past a pole in 20 s and speeds past a platform 100 m in length in 30 s. What is the length of the train? [RRB (SO) 2010]

Options:

Answer:

Solution:

Bank Preparation

Bank Courses

NCERT Books

Important Resources

Forum