Basic Physics — CSIR Net PYQ (Question 21)

A Basic Physics previous-year question (PYQ) from General Aptitude (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 21 of 87 · 2.0 marks

A

and

B

walk up an escalator one step at a time, while the escalator itself moves up at a constant speed. A walks twice as fast as B. A reaches the top in 40 steps and

B

in 30 steps. How many steps of the escalator can be seen when it is not moving?

Correct answer: Option 4

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This Basic Physics PYQ is part of the General Aptitude section of CSIR Net. Browse more Basic Physics questions or join the PhysicsByAaryan live batch for full conceptual coverage.