CAT Practice Question and Answer

Q: Fog is an example of a 2060 0

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    liquid dispersed in gas
    Correct
    Wrong
  • 2
    solid dispersed in liquid
    Correct
    Wrong
  • 3
    liquid dispersed in solid
    Correct
    Wrong
  • 4
    gas dispersed in liquid
    Correct
    Wrong
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Answer : 1. "liquid dispersed in gas"
Explanation :

Answer: A) liquid dispersed in gas Explanation: Fog is an example of a colloidal system liquid dispersed in gas.

Q: At what temperature do the Fahrenheit and celcius scales give the same reading? 2059 0

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    212 degrees
    Correct
    Wrong
  • 2
    32 degreees
    Correct
    Wrong
  • 3
    -40 degreees
    Correct
    Wrong
  • 4
    0 degreees
    Correct
    Wrong
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Answer : 3. "-40 degreees"
Explanation :

Answer: C) -40 degreees Explanation: We want the temperature when F=C. We know that, F = C x 95 + 32 So substituting C For F, we have C = -40o Therefore,  C = -40.  Thus when C = -40, we have C = F

Q: The International Kite Festival (Uttarayan) will be started from which of the following states? 2059 0

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    Telangana
    Correct
    Wrong
  • 2
    Karnataka
    Correct
    Wrong
  • 3
    Odisha
    Correct
    Wrong
  • 4
    Gujarat
    Correct
    Wrong
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Answer : 4. "Gujarat"
Explanation :

Answer: D) Gujarat Explanation: The 30th International Kite Festival (Uttarayan) will be held in Gujarat from January 8 to 13, 2017. Apart from this, three other international kite festivals will be held in different parts of India viz. Telangana International Kite Festival will be held in Hyderabad on January 14 and 15, the Delhi International Kite Festival from January 16 to 17 and the Belgaum International Kite Festival from January 18 to 22.

Q: What is conversion operator ? 2059 0

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Answer :
Explanation :

Class can have a public method for specific data type conversions.for example:class B{double value;public  B(int i )operator double(){return value;}};B BObject;double i = BObject; // assigning object to variable i of type double.now conversion operator gets called to assign the value.

Q: Organisms need Nutrients in order to 2058 0

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    Breaking down food
    Correct
    Wrong
  • 2
    Utilize chemical compounds
    Correct
    Wrong
  • 3
    recycling
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Breaking down food"
Explanation :

Answer: A) Breaking down food Explanation: Nutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions. Important nutrients are Hydrogen, Carbon and Oxygen.   Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium.

Q: Third proportion of 10 and 20 is 2058 0

  • 1
    30
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 2. "40"
Explanation :

Answer: B) 40 Explanation: The third proportional of two numbers p and q is defined to be that number r such that p : q = q : r.   Here, required third proportional of 10 & 20, and let it be 'a' => 10 : 20 = 20 : a 10a = 20 x 20 => a = 40   Hence, third proportional of 10 & 20 is 40.

Q: A room contains 3 brown, 5 black and 4 white chairs. Two chairs are picked and are put in the lawn. What is the probability that none of the chairs picked is white ? 2058 0

  • 1
    14/33
    Correct
    Wrong
  • 2
    14/55
    Correct
    Wrong
  • 3
    12/55
    Correct
    Wrong
  • 4
    13/33
    Correct
    Wrong
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Answer : 1. "14/33"
Explanation :

Answer: A) 14/33 Explanation: Total number of chairs = (3 + 5 + 4) = 12. Let S be the sample space. Then, n(s)= Number of ways of picking 2 chairs out of 12 = 12×11/2×1 = 66 Let n(E) = number of events of selecting 2 chairs for selecting no white chairs. => 8C2 = 8×7/2×1 = 28 Therefore required probability = 28/66 = 14/33.

Q: Rearrange the following sentences ( 2058 0

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    , (
    Correct
    Wrong
  • 2
    , (
    Correct
    Wrong
  • 3
    , (
    Correct
    Wrong
  • 4
    , (E) and (F) in the proper sequence to form a meaningful paragraph. (
    Correct
    Wrong
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Answer : 2. ", ("
Explanation :

Answer: B) E C F A D B Explanation:

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