A Dutch mathematician and physician renowned for evolving the wave therapy of light
B. The inventor of the pendulum clock based on Galileo’s theory
C. Discover of the rings of Saturn and its forth satellite
D. All of the above

A. an Italian explorer
B. First modern European to discover the America’s
C. Discover of Puerto Rico and Jamaica
D. AII of the above

A. Typewriter: Remington
B. Dynamite: Dunlop
C. Evolution : Darwin
D. Aeroplane: Harvey

A. Can alter the rate of chemical react without undergoing change in itself
B. Can liberate carbon dioxide form acids
C. Provides nourishment of plants
D. None of above

A. 1946
B. 1961
C. 1955
D. 1979

A. 1 July 1966
B. 1 July 1973
C. 1 September 1984
D. 1 August 1990

A. Speculator on the stock market who believes that the price of certain shares will soon rise
B. Speculator on the stock market who believes that the price of certain shares will soon fall
C. Person whose shares fall in the sock market
D. Person whose shares rise market

A. The terms that applies to the most reliable, industrial shares of reputed companies which have unstable growth
B. Income not reported for tax purposes
C. Economics activity is officially non-existent but involve circulation of black money
D. None of above

A. 2 lb
B. 3 lb
C. 1 lb
D. 4 lb

A. Speculator on the stock market who believes that the prices of certain shares that will soon fall
B. Speculator on the shares who believes that the prices of certain shows that hc, owns will soon rise
C. Person whose share have given him profit
D. Person whose have given him loss