Who has won the 2016 Men's Single title at US Open?
1). Novak Djokovic
2). Rafael Nadal
3). Stan Wawrinka
4). Andy Murray
Which of the following was invented by Sir Humphry Davy?
1). Safety Pin
2). Steam Engine
3). Safety Lamp
4). X-Rays
Who selects the Social Audit Committee under MGNREGA scheme?
1). Chief Minister
2). Gram Sabha
3). Mayor
4). B.D.O.
Which of the following gas contributes the maximum to the phenomena of global warming?
1). Methane
2). Chlorofluorocarbon (CFC)
3). Nitrogen dioxide
4). Carbon dioxide
What is the chemical formula for Sodium Chloride (Salt)?
1). NaCl2
2). NaCl
3). Na2Cl
4). Na2C