With the participation in the Rio Olympics who has become the first tennis player in the world to have 7 appearances in Olympics?
1). MartinaNavratilova
2). SerenaWilliams
3). LeanderPaes
4). RogerFederer
Which one of the following is not the official language of the UNO?
1). French
2). Arabic
3). Spanish
4). Japanese
Kinetic energy depends on
1). the velocity or speed of the movingbody.
2). the mass of the movingbody
3). the pressure of the movingbody
4). both mass and velocity of the movingbody
Find the 'odd one out'.
1). Linux
2). Windows 98
3). C++ C++
4). Windows 7
Spraying of DDT on crops causes pollution of
1). Air &Soil
2). Crops &Air
3). Soil &Water
4). Air &Water