3. A ball is falling through a viscous fluid at its terminal velocity. The magnitudes of the forces acting on the ball are: gravitational force FG, drag force FD and […]
1. For a spherical water droplet at sea level, which one of the following is true about the internal pressure: a. lower than atmospheric pressure, and depends on surface tension […]
15. A 2005 report from the World Health Organization shows the effect of malnutrition on the mortality of children admitted to hospitals for various diseases. Which of the following conclusions […]
13. I am given a three-digit digital display, where the decimal point can be placed at one of three possible positions as shown below. How many different numerical values can […]
12. I drove my car over a bunch of nails. I estimate there’s a 10% chance that any given tyre is punctured. I have only one spare tyre. The probability […]
11. Which of the following is FALSE: a. Neanderthals and Homo sapiens coexisted b. Neanderthals and Homo sapiens mated c. Some living humans have Neanderthal ancestors d. All living humans […]
10. Which of the following statements about the function f(x) = x2 − 3x + 4 is true? a. The function does not intersect the x-axis b. The function does […]
9. Many species of ants lay chemical trails when they search for food. Once one ant discovers food and returns to the colony, other ants follow its trail back to […]
