Question and the Answer given by Candidates oh sorry
they are IAS Officers now.

Q.How can you drop a raw egg onto a concrete floor
without cracking it?
A. Concrete floors are very hard to crack! (UPSC
Topper)

Q.If it took eight men ten hours to build a wall, how
long would it take four men to build it?
A. No time at all it is already built. (UPSC 23 Rank
Opted for IFS)

Q.If you had three apples and four oranges in one hand
and four apples and three oranges in the other hand,
what would you have?
A. Very large hands.(Good one) (UPSC 11 Rank Opted for
IPS)