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 rd RankOpted 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)
Q: How can you lift an elephant with one hand?
A: It is not a problem, since you will never find an elephant with one hand. (UPSC Rank 14 Opted for IES)
Q: How can a man go eight days without sleep?
A: No Probs, he sleeps at night. (UPSC IAS Rank 98)
Q: If you throw a red stone into the blue sea what it will become?
A: It will Wet or Sink as simple as that. (UPSC IAS Rank 2)
Q: What looks like half apple?
A: The other half. (UPSC - IAS Topper )
Q: What happened when wheel was invented?
A: It caused a revolution.
Q: Bay of Bengal is in which state?
A: Liquid (UPSC 33Rank )
- well I just must admit my answers wouldnt get me any points 
... ok ok i agree with Nanami.. i was thinking in fruit juice.....