There are two buckets A and B. Initially A has 2 liters of water and B is empty. At every hour 1 liter of water is transferred from A to B followed by returning \frac{1}{2} liter back to A from B half an hour later. The earliest A will get empty is in:

Reasoning — CSIR NET Physics PYQ (Question 3)

A Reasoning previous year question (PYQ) from General Aptitude (CSIR NET physics). Read the question, check the correct answer, then practise the full topic.

Question 3 of 81 · 2.0 marks

There are two buckets

A

and

B

. Initially

A

has 2 liters of water and

B

is empty. At every hour 1 liter of water is transferred from

A

B

followed by returning

\frac{1}{2}

liter back to

A

from

B

half an hour later. The earliest

A

will get empty is in:

15 h
24 h
33 h
42 h

Correct answer: Option 3

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This Reasoning PYQ is part of the General Aptitude section of CSIR NET physics. Browse more Reasoning questions or join the PhysicsByAaryan live batch for full conceptual coverage.