When did Pakistan won 1st hockey world cup?

A) 1964

B) 1971

C) 1972

D) 1975

The idea of first Hockey World Cup was proposed by Pakistan’s Air Marshal Nur Khan. It was hosted by Spain. Ten nations participated in the tournament. Final Match was played between Pakistan and Spain in Barcelona.  The only goal in the final was made by Akhtar ul Islam. 

Ice floats because?

A) Density of water is less than Ice

B) Density of water is greater than ice

C) Both (A + B) situation may be

D) None of these