GATE Practice Question and Answer

Q: _U_R_Y_ Complete this 7 letter word _U_R_Y_ 1. Girls like it2. Boys use it3. Parents hate it. 1331 0

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Answer :
Explanation :

HURRAYS.

Q: Which Color has the Longest Wavelength? 1327 0

  • 1
    Violet
    Correct
    Wrong
  • 2
    Yellow
    Correct
    Wrong
  • 3
    Red
    Correct
    Wrong
  • 4
    White
    Correct
    Wrong
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Answer : 3. "Red"
Explanation :

Answer: C) Red Explanation: The visible colors from Longest wavelength to Shortest wavelength are :: Red, Orange, Yellow, Green, Blue and Violet.                     Red > Orange > Yellow > Green > Blue > Violet.   1. Infrared radiation has a longer wavelength than visible Red light.   2. Ultraviolet radiation has a shorter wavelength than the visible violet light.    3. The white light is a mixture of the colors of the visible spectrum.

Q: Is water a Pure substance? 1324 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
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Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: True, Water is a Pure substance and not a mixture.   We know that, A mixture is when two or more substances combine physically together. You can find that the mixture retains the properties of the original components. In water, two hydrogen atoms combine with one oxygen atom chemically, forming a new substance that has properties different from hydrogen alone or oxygen alone.   Therefore, water is not a mixture; it is a compound and it is pure.

Q: What areas would you like to further develop professionally? 1323 0

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Answer :
Explanation :

Why they ask this and what they are looking for:   This question "What areas would you like to further develop professionally?" will uncover whether you are interested and knowledgeable about your own development and as such will can be a cloaked attempt to discover your weaknesses. A common target of the question is to discover how motivated you are to extend yourself. If you are motivated to learn, then you are probably more motivated to do the job well.   How to answer this: First show that you are concerned and active about your own development. You can indicate how development has worked for your in the past. You're right, continued learning and development is important and I continue to work to improve key skills. Do answer the question, of course, but do not show gaping holes in your skill set and especially those in key areas required in the job. A good trick is to talk about developing your skills in new areas that will be of future benefit to the company.   For example : I am in programming now and love the work, but one day I would like to develop into a management role.   Hope this helps you..!

Q: 40% of 80? 1318 0

  • 1
    36
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    44
    Correct
    Wrong
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Answer : 2. "32"
Explanation :

Answer: B) 32 Explanation: Here 40% of 80 is given as 40100 x 80 = 8 x 4 = 32

Q: Present ages of Deepa and Hyma are in the ratio of 5:6 respectively. After four years, this ratio becomes 6: 7. What is the difference between their present ages? 1309 0

  • 1
    6 yrs
    Correct
    Wrong
  • 2
    4 yrs
    Correct
    Wrong
  • 3
    8 yrs
    Correct
    Wrong
  • 4
    2 yrs
    Correct
    Wrong
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Answer : 2. "4 yrs"
Explanation :

Answer: B) 4 yrs Explanation: Let the present age of Deepa = 5p Let the present age of Hyma = 6p After four years their ratio = 6 : 7 => 5p + 46p + 4 = 67 => 35p + 28 = 36p + 24 => p = 4 Therefore, the difference between their ages = 24 - 20 = 4 years.

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Answer :
Explanation :

Q(f)      -     O(m)  (Tennis)      (Basketball)               |              R(m)  -   N(f)             (Golf)     (Hockey)                       |                M              P(m)         (Cricketer)      (Football)   Answer   1: Can't be determined because M may be Grandson or Grand daughter of Q. Answer   2: Q plays Tennis.

Q: A person can row 8 1/2 km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream ? 1283 0

  • 1
    1.78 kmph
    Correct
    Wrong
  • 2
    2.35 kmph
    Correct
    Wrong
  • 3
    2.83 kmph
    Correct
    Wrong
  • 4
    3.15 kmph
    Correct
    Wrong
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Answer : 3. "2.83 kmph"
Explanation :

Answer: C) 2.83 kmph Explanation: Given speed of the person = 8 1/2 = 17/2 kmphLet the speed of the stream = x kmphspeed of upstream = 17/2 - xspeed of downstream = 17/2 + xBut given that,2(17/2 - x) = 17/2 + x=> 3x = 17/2=> x = 2.83 kmph.

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