When was the decimal system introduced in Pakistan?

a) 1st January 1961

b) 23 March 1961

c) 14 August 1961

d) 1st July 1961 (more…)

What is the name of the world’s longest bridge?

a) Changhua-Koahsiung Viaduct

b) Cangde Grand Bridge

c) Tianjin Grand Bridge

d) Danyang-Kunshan Grand Bridge  (more…)