Practice Question and Answer

Q: When two dice are thrown simultaneously, what is the probability that the sum of the two numbers that turn up is less than 12? 1807 0

  • 1
    35/36
    Correct
    Wrong
  • 2
    17/36
    Correct
    Wrong
  • 3
    15/36
    Correct
    Wrong
  • 4
    1/36
    Correct
    Wrong
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Answer : 1. "35/36"
Explanation :

Answer: A) 35/36 Explanation: When two dice are thrown simultaneously, the probability is n(S) = 6x6 = 36 Required, the sum of the two numbers that turn up is less than 12 That can be done as n(E) = { (1,1), (1,2), (1,3), (1,4), (1,5), (1,6)(2,1), (2,2), (2,3), (2,4), (2,5), (2,6)(3,1), (3,2), (3,3), (3,4), (3,5), (3,6)(4,1), (4,2), (4,3), (4,4), (4,5), (4,6)(5,1), (5,2), (5,3), (5,4), (5,5), (5,6)(6,1), (6,2), (6,3), (6,4), (6,5) } = 35 Hence, required probability = n(E)/n(S) = 35/36.

Q: Which of the following definitions describes a physical hazard? 2345 0

  • 1
    The most commonly thought of hazard in construction. This hazard includes radiation, extreme temperatures, noise, and vibration.
    Correct
    Wrong
  • 2
    These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks.
    Correct
    Wrong
  • 3
    Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
    Correct
    Wrong
  • 4
    Microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness.
    Correct
    Wrong
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Answer : 1. "The most commonly thought of hazard in construction. This hazard includes radiation, extreme temperatures, noise, and vibration."
Explanation :

Answer: A) The most commonly thought of hazard in construction. This hazard includes radiation, extreme temperatures, noise, and vibration. Explanation: A physical hazard is defined as "A factor within the environment that can harm the body without necessarily touching it." Vibration and noise are examples of physical hazards.   Physical hazards include but aren't limited to electricity, radiation, pressure, noise, heights and vibration amongst many others.

Q: Which superhero shares a name with a town in Turkey? 2755 1

  • 1
    Batman
    Correct
    Wrong
  • 2
    Spiderman
    Correct
    Wrong
  • 3
    Ironman
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Batman"
Explanation :

Answer: A) Batman Explanation: Superhero Batman shares a name with an oil production Batman, a town in Turkey.

Q:

Pick an odd number in the given number series?

4 12 38 87 198

2130 0

  • 1
    12
    Correct
    Wrong
  • 2
    38
    Correct
    Wrong
  • 3
    87
    Correct
    Wrong
  • 4
    198
    Correct
    Wrong
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Answer : 1. "12"
Explanation :

Answer: A) 12 Explanation: The given series follows a pattern that,   4 + 32 = 4 + 9 = 1313 + 52 = 13 + 25 = 3838 + 72 = 38 + 49 = 8787 + 92 = 87 + 81 = 198    Hence, the odd man in the given number series is 12.

Q: Separation of judiciary from executive is enjoined by 2566 1

  • 1
    Directive principle
    Correct
    Wrong
  • 2
    Judicial decision
    Correct
    Wrong
  • 3
    Seventh schedule
    Correct
    Wrong
  • 4
    Preamble
    Correct
    Wrong
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Answer : 1. "Directive principle"
Explanation :

Answer: A) Directive principle Explanation:

Q: Which of the following is an air pollutant? 1531 0

  • 1
    Sulphur dioxide
    Correct
    Wrong
  • 2
    Ozone
    Correct
    Wrong
  • 3
    Water vapour
    Correct
    Wrong
  • 4
    Nitric oxide
    Correct
    Wrong
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Answer : 1. "Sulphur dioxide"
Explanation :

Answer: A) Sulphur dioxide Explanation: Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.   Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.   In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.

Q: Which statement about general education policy is most accurate? 2843 0

  • 1
    It is set by multiple levels of the government.
    Correct
    Wrong
  • 2
    It is determined by local school boards.
    Correct
    Wrong
  • 3
    It is controlled only by the federal government.
    Correct
    Wrong
  • 4
    It provides its funding at the state level.
    Correct
    Wrong
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Answer : 1. "It is set by multiple levels of the government."
Explanation :

Answer: A) It is set by multiple levels of the government. Explanation: General education policy is set by multiple levels of the government like Federal, state and local governments.

Q: Complete the next number in the given number series? 21 56 102 160 231 316 2465 0

  • 1
    416
    Correct
    Wrong
  • 2
    415
    Correct
    Wrong
  • 3
    414
    Correct
    Wrong
  • 4
    413
    Correct
    Wrong
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Answer : 1. "416"
Explanation :

Answer: A) 416 Explanation: The given number series is  21 56 102 160 231 316   21      56       102        160      231       316         416    +35    +46       +58       +71      +85       +100         +11      +12       +13      +14      +15   Hence, the next number in the given number series is 316 + 100 = 416.

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