1. In which country did
the Chess originate ?
( A ) India
( B ) China
( C ) America
( D ) Russia
2. If a : b = 3 : 4 and
b : c = 2 : 3 , then a : b : c = …..................
( A ) 2 : 3 : 4
( B ) 3 : 4 : 6
( C ) 4 : 6 : 8
( D ) 1 : 2 : 3
3. Founder of Set Theory
( A ) Gauss
( B ) Leibniz
( C ) Riemann
( D ) George Cantor