Practice Question and Answer

Q:

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. 9x² – 3x – 2 = 0
II. y² – 8y + 16 = 0

625 0

  • 1
    x > y
    Correct
    Wrong
  • 2
    x < y
    Correct
    Wrong
  • 3
    x ≤ y
    Correct
    Wrong
  • 4
    x ≥ y
    Correct
    Wrong
  • 5
    x = y or the relationship between x and y cannot be established.
    Correct
    Wrong
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Answer : 2. "x < y"

Q:

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² – 2x - 8 = 0
II. y² – 7y - 60 = 0

1037 0

  • 1
    x > y
    Correct
    Wrong
  • 2
    x < y
    Correct
    Wrong
  • 3
    x ≤ y
    Correct
    Wrong
  • 4
    x ≥ y
    Correct
    Wrong
  • 5
    x = y or the relationship between x and y cannot be established.
    Correct
    Wrong
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Answer : 5. "x = y or the relationship between x and y cannot be established."

Q:

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² + 13x + 42 = 0
II. y² – 2y - 63 = 0

671 0

  • 1
    x > y
    Correct
    Wrong
  • 2
    x < y
    Correct
    Wrong
  • 3
    x ≥ y
    Correct
    Wrong
  • 4
    x ≤ y
    Correct
    Wrong
  • 5
    x = y or the relationship between x and y cannot be established.
    Correct
    Wrong
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Answer : 5. "x = y or the relationship between x and y cannot be established."

Q:

Length of train A is half as that of train B. Train A and B crosses the platform of length 100 meters in 5 seconds and 6 seconds respectively. If the ratio of speed of train A and B is 2 : 3, Find the length of train B.

1058 0

  • 1
    450 m
    Correct
    Wrong
  • 2
    800 m
    Correct
    Wrong
  • 3
    600 m
    Correct
    Wrong
  • 4
    900 m
    Correct
    Wrong
  • 5
    750 m
    Correct
    Wrong
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Answer : 2. "800 m"

Q:

A vessel contains some mixture of Water and Alcohol in the ratio 2 ∶ 1. 12 liters of mixture is removed and replaced with water and the final ratio becomes 4: 1. What is the amount of Alcohol in the initial Mixture?

1146 0

  • 1
    12 litres
    Correct
    Wrong
  • 2
    15 litres
    Correct
    Wrong
  • 3
    20 litres
    Correct
    Wrong
  • 4
    10 litres
    Correct
    Wrong
  • 5
    12.5 litres
    Correct
    Wrong
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Answer : 4. "10 litres"

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