1. Which of these is not a prime number?   3   7   5   9   Hint Half-n-half Clue   2. 1 centimeter = _______ millimeters   10000   1000   100   10   Half-n-half Clue   3. An angle which measures less than 90o is called _______.   an obtuse angle   an acute angle   a reflex angle   a right angle   Half-n-half Clue   4. The famous play 'Death of a Salesman' was written by _______.   Arthur Miller   Eugene O'Neill   Tennessee Williams   Bertolt Brecht   Half-n-half Clue   5. _______ is defined as the mass per unit volume.   Pressure   Weight   Force   Density   Half-n-half Clue   6. Name the Brazilian car-racing legend who won 41 Grand Prix titles and 3 Drivers' Championships.   Michael Schumacher   Bruce McLaren   Ayrton Senna   Juan Manuel Fangio   Half-n-half Clue   7. The density of water at room temperature is about _______ g/cm3.   1   1000   100   10   Half-n-half Clue