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3. Assuming the earth is made of matter of uniform density and has radius 8000 km, the acceleration due to gravity in a 2000 km deep mine would be: a. […]

2. The minimum number of unequal non-zero length vectors which can add up to give a zero resultant is a. two b. three c. four d. five Correct Answer: Option […]

1. Two objects are acted upon by the same force for the same amount of time. At that point, even though the objects have different masses, they will have the […]

15. You obtain the durations of 3 sequential events using three different timers, as 1.63 seconds, 2.6 seconds and 3.558 seconds respectively. The combined duration of these events is the […]

14. The sign and unit place digit of (−9)99 are, respectively: a. Negative, 9 b. Negative, 1 c. Positive, 9 d. Not possible to determine without calculating the full number The […]

13. This is a schematic image of a mobile phone SIM card. What is the function of the diagonal cut on the left side? a. To serve as an electrical […]

12. In a survey 96 people liked strawberries, 98 liked raspberries, and 120 liked blueberries; 18 people liked only strawberries, 20 liked only raspberries, and 24 liked only blueberries; 38 […]

11. A couple have 3 children. None of the children were born in a leap year. The probability that all three children share the same birthday is: a. 3/365 b. […]

10. The mean of ten exam scores is 20. When two more scores are added, the mean becomes 30. What is the mean of the two scores added? a. 20 […]

9. The first quartile of a list of values is: a. Half the mean of the values b. One standard deviation below the mean of the values c. The median […]