Practice Question and Answer

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Answer :
Explanation :

1. Answer : 4  Explanation : The water level of River-C in September = 184 and water level of River-B in June = 202 Required ratio = 184 : 202   => 92 : 101    2. Answer :  2   3. Answer : 3 Explanation : Average water level of River-A in all months =196+205+230+2124= 210.75 m   4. Answer :  4    5. Answer : 3 Explanation : Water level of River-A in July after decreasing =205×80100 = 41 x 4 = 164m

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Answer : 4. "2 and 4"
Explanation :

Answer: D) 2 and 4 Explanation:

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Answer : 2. "42"

Q: Choose or find odd number: 51 , 144 , 64 , 121 , 256 5584 0

  • 1
    51
    Correct
    Wrong
  • 2
    144
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    121
    Correct
    Wrong
  • 5
    256
    Correct
    Wrong
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Answer : 1. "51"

Q: Which Word Does Not Belong with the Others 5583 0

  • 1
    VDU
    Correct
    Wrong
  • 2
    Speakers
    Correct
    Wrong
  • 3
    Plotter
    Correct
    Wrong
  • 4
    Joystick
    Correct
    Wrong
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Answer : 4. "Joystick"
Explanation :

Answer: D) Joystick Explanation: Here Joystick is the word doesn't belong with the others. Because Except Joystick all others are Output Devices whereas Joystick is Input Device. VDU - Visual Display Unit - Monitor to display Speakers - Output sound Plotter - used to produce single or multiple colored images.

Q: Find the wrong number in the series. 1, 2, 6, 15, 31, 56, 91 5577 0

  • 1
    31
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    56
    Correct
    Wrong
  • 4
    91
    Correct
    Wrong
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Answer : 4. "91"
Explanation :

Answer: D) 91 Explanation: The difference of the two consecutive numbers are 1, 4, 9, 16, 25, 35.  This is clearly , +12, +22, +32, +42, +52,+62  Here 35 is wrong, So our wrong number is 91

Q: What should come next in the following letter sequence? A A B A B C A B C D A B C D E A B C D 5577 0

  • 1
    A
    Correct
    Wrong
  • 2
    E
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    B
    Correct
    Wrong
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Answer : 2. "E"
Explanation :

Answer: B) E Explanation:

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