when we celebrated world Post day?
A. 4 junauary
B. 5 march
C. 9 october
D. 7 march
Who is Called the Father of Demography?
A. Alan turing
B. John dalton
C. Charles babbage
D. Ibn khaldun
Who is Called the Father of Calculus?
A. Al-khwarizmi
B. Aristotle
C. Herodotus
D. Isaac newton
Electron was discovered by?
A. Michael faraday
B. James maxwell
C. Yuri gagarin
D. J.j thomson
Diesel engine was discovered by___________?
A. Paul muller
B. Faraday
C. Waldeyer
D. Rudolf diesel
12th Anneversary of Earthquacke 2005 celebrated on
A. 8th oct 2017
B. 9th oct 2017
C. 10th oct 2017
D. 11th oct 2017
What is the longest wall of the world?
A. Wall of india
B. Wall off egypt
C. Wall of china
D. Wall of afghanistan