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    1. Home
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    3. Quantitative Aptitude
    4. Permutation and combination
    5. Which of the following is TRUE for “complementary event or ‘not event’”?

    Question

    Which of the following is TRUE for “complementary

    event or ‘not event’”?
    A The set A-B Correct Answer Incorrect Answer
    B The set A∩B Correct Answer Incorrect Answer
    C The set A’ or S-A Correct Answer Incorrect Answer
    D The set AUB Correct Answer Incorrect Answer

    Solution

    The correct answer is C

    Practice Next
      More Permutation and combination Questions
    • A force of 50 N moves a body 2 meters in the direction of the force. Find work done.  

    • What is the electrical charge of a neutrino?

    • The refractive index of glass is 1.5. What is the speed of light in glass?

      (Speed of light in vacuum is 3.0 ×108 m s-1)

    • Why do brads not have respiratory trouble at the time of flying at high all?

    • If a lens forms an image of magnification -2, what is the nature of the image?

    • What is the value of 1 horsepower in watts?  

    • Two tuning forks produce 4 beats per second. If one has a frequency of 256 Hz, the frequency of the other is:

    • What is the minimum escape velocity of rocket to be launched into space?

    • A transformer has 1000 turns in the primary and 100 in the secondary coil. If input voltage is 220 V, output voltage is:

    • Which of the following optical phenomena CANNOT convert unpolarised light to plane polarised light?

    Relevant for Exams:

    • IAF Airmen Group (X and Y)
    • AAI ATC JE

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