IAS is the toughest examination of India and only a few clears it, but everyone desire to be an IAS. Not just theoretical, but the questions asked in IAS interviews are also very damn hard to answer. Here is a list of such questions:
How can you drop a raw egg onto a concrete floor without cracking it ?
Concrete floors are very hard to crack ! ( U.P.S.C Topper answer )
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 ?
Very large hands. ( Good one ) ( U.P.S.C 11 TH POSITION OPTED FOR IPS)