2007 General Studies, all questions
UPSC Prelims 2007 · General Studies
Question 120: Science and Technology
Three identical vessels A, B and C are filled with water, mercury and kerosene respectively up to an equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simultaneously, then which vessel is emptied first?
aVessel B
bAll the vessels A, B and C will be emptied simultaneously
cVessel A
dVessel C
The published answer to this question looks wrong to us, so none is shown until it has been checked.
Source: UPSC, Civil Services (Preliminary) Examination 2007, General Studies. UPSC's own paper isn't online; the words are from a published compilation. The paper on upsc.gov.in.