In which year the World Happiness Index was first time published?
A. 2009
B. 2010
C. 2012
D. 2013 (more…)
Saltiest sea of the world is _________?
A. Red sea
B. Yellow sea
C. Mediterranean sea
D. Black sea
In MS Excel, you can activate a cell by:
A. Pressing the tab key
B. Clicking the cell
C. Pressing an arrow key
D. All of these