CAT Practice Question and Answer

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Answer : 1. "Rs. 60"
Explanation :

Answer: A) Rs. 60 Explanation: Price of 1kg fresh cashew = Rs.120Therefore, price of 10kg = Rs.120 x 10 = Rs.1200 10% of 10kg which eaten by rodents = 10 x 10/100 = 1kg. So, End of Year he had 10kg - 1kg = 9kg So, he sells that 9kg with Rs.20 per kg profit = 9 x 140 = 1260. He buy 10kg wooden box with cashew for Rs.1200 and sell that for Rs. 1260 So, profit = 1260 - 1200 = Rs.60 more money he get.

Q: The average of a non-zero number and its square is 11 times the number. The number is ? 2323 0

  • 1
    22
    Correct
    Wrong
  • 2
    21
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    17
    Correct
    Wrong
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Answer : 1. "22"
Explanation :

Answer: A) 22 Explanation: Let the number be 'x'.       x+x22 = 11x x2= 22x => x = 22.

Q: Can character data be stored in computer memory? 2321 1

  • 1
    Yes---a primitive data type is used to store characters
    Correct
    Wrong
  • 2
    No---computer memory can only store patterns
    Correct
    Wrong
  • 3
    Yes---characters are stored in special memory
    Correct
    Wrong
  • 4
    No---computers can only store numbers
    Correct
    Wrong
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Answer : 1. "Yes---a primitive data type is used to store characters"
Explanation :

Answer: A) Yes---a primitive data type is used to store characters Explanation:

Q: Which day is observed as Rashtriya Ekta Diwas every year in India? 2320 0

  • 1
    31st July
    Correct
    Wrong
  • 2
    31st March
    Correct
    Wrong
  • 3
    31st January
    Correct
    Wrong
  • 4
    31st October
    Correct
    Wrong
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Answer : 4. "31st October"
Explanation :

Answer: D) 31st October Explanation:

Q: Milk is an example of a 2319 0

  • 1
    Emulsion
    Correct
    Wrong
  • 2
    Solution
    Correct
    Wrong
  • 3
    Gel
    Correct
    Wrong
  • 4
    Suspension
    Correct
    Wrong
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Answer : 1. "Emulsion"
Explanation :

Answer: A) Emulsion Explanation: Milk is an emulsion of oil in water (o/w). Emulsion: A suspension of droplets of one liquid in another. Constituents of milk : The principal constituents of milk are water, fat, proteins, lactose (milk sugar) and minerals (salts). Milk also contains trace amounts of other substances such as pigments, enzymes, vitamins, phospholipids (substances with fatlike properties), and gases.

Q: If x = √8 - √7, y = √6 - √5 and z = √10 - 3, which of the following is true  ? 2315 0

  • 1
    x > y < z
    Correct
    Wrong
  • 2
    x < y < z
    Correct
    Wrong
  • 3
    x > y > z
    Correct
    Wrong
  • 4
    z < x < y
    Correct
    Wrong
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Answer : 4. "z < x < y"
Explanation :

Answer: D) z < x < y Explanation: x = √8 - √7 = 1/(√8 + √7) and y = √6 - √5 = 1/(√6 + √5) and z = √10 - 3 = 1/(√10 + 3) As (√8 + √7) > (√6 + √5), (√8 - √7) < (√6 - √5) As (√10 + 3) > (√8 + √7) > (√6 + √5) z < x < y.

Q: What gets wetter and wetter the more it dries? 2314 0

  • 1
    Soap
    Correct
    Wrong
  • 2
    Towel
    Correct
    Wrong
  • 3
    Clothes
    Correct
    Wrong
  • 4
    Sponge
    Correct
    Wrong
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Answer : 2. "Towel"
Explanation :

Answer: B) Towel Explanation: Towel gets wetter and wetter the more it dries because we use that towel which is dried after used.

Q: A man walks 6 km at a speed of 112kmph, runs 8 km at a speed of 2 kmph and goes by bus another 32 km. Speed of the bus is 8 kmph. Find the average speed of the man in kmph. 2314 0

  • 1
    4314
    Correct
    Wrong
  • 2
    4213
    Correct
    Wrong
  • 3
    2413
    Correct
    Wrong
  • 4
    3414
    Correct
    Wrong
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Answer : 2. "4213"
Explanation :

Answer: B) Option B Explanation: Man walked 6 km at 1.5 kmph, again he walked 8 km at speed of 2 kmph and 40 km at a speed of 8kmphtime taken indivisually: => 6/1.5 = 4 m=> 8/2 = 4 m=> 40/8 = 5 m   Average speed of man= total distance/ total time=> 54/13 = 4213 kmph

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