Practice Question and Answer

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Answer : 1. "A"

Q:

Find the value of sin2 10 + sin2 20 + sin2 30 + ....... + sin2 80.

5755 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "4"

Q:

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
COT, DQU, ESV, FUW, ?

5754 0

  • 1
    GWY
    Correct
    Wrong
  • 2
    GVX
    Correct
    Wrong
  • 3
    GWX
    Correct
    Wrong
  • 4
    GVY
    Correct
    Wrong
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Answer : 3. "GWX "

Q: The popular Access Method for computer network is 5752 0

  • 1
    Ethernet
    Correct
    Wrong
  • 2
    Token Ring
    Correct
    Wrong
  • 3
    Bus Token
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "Token Ring"
Explanation :

Answer: B) Token Ring Explanation:

Q: Lichens are the best indicator of 5749 1

  • 1
    Air pollution
    Correct
    Wrong
  • 2
    Sound pollution
    Correct
    Wrong
  • 3
    Noise pollution
    Correct
    Wrong
  • 4
    Water pollution
    Correct
    Wrong
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Answer : 1. "Air pollution"
Explanation :

Answer: A) Air pollution Explanation: 1. Lichens are plants that grow in exposed places such as rocks or tree bark.   2.  Lichens are widely used as environmental indicators or bio-indicators. They can be used as air pollution indicators, especially of the concentration of sulfur-di-oxide in the atmosphere.     3. They need to be very good at absorbing water and nutrients to grow there.

Q:

Delhi is situated on the banks of which river?

5744 0

  • 1
    Sutlej
    Correct
    Wrong
  • 2
    Yamuna
    Correct
    Wrong
  • 3
    Mandakini
    Correct
    Wrong
  • 4
    Diameter
    Correct
    Wrong
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Answer : 2. "Yamuna"

Q: Which of these relationships is true of an uncharged atom? 5741 0

  • 1
    The atomic mass is equal to the atomic number.
    Correct
    Wrong
  • 2
    The number of electrons is equal to the number of neutrons.
    Correct
    Wrong
  • 3
    The number of protons is equal to the number of electrons.
    Correct
    Wrong
  • 4
    The atomic mass is equal to the number of electrons.
    Correct
    Wrong
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Answer : 3. "The number of protons is equal to the number of electrons."
Explanation :

Answer: C) The number of protons is equal to the number of electrons. Explanation: The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

Q: A, B, C, D, E, F and G are members of a family consisting of four adults and three children, two of whom, F and G are girls. A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. B is married to D and G is their child. Who is C ? 5732 1

  • 1
    E's daughter
    Correct
    Wrong
  • 2
    F's father
    Correct
    Wrong
  • 3
    G's brother
    Correct
    Wrong
  • 4
    A's son
    Correct
    Wrong
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Answer : 4. "A's son"

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