CAT Practice Question and Answer

Q: Express 3/8 and 1/10 as a Decimals? 2021 0

  • 1
    1.375 & 1
    Correct
    Wrong
  • 2
    0.375 & 1
    Correct
    Wrong
  • 3
    13.75 & 1.1
    Correct
    Wrong
  • 4
    0.375 & 0.1
    Correct
    Wrong
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Answer : 4. "0.375 & 0.1"
Explanation :

Answer: D) 0.375 & 0.1 Explanation: 3/8 as a Decimal : In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple. Now to make 8 into 1000, we multiply numerator and denominator with 125 => 3 x 1258 x 125 = 3751000 = 0.375   1/10 as a Decimal : 1 divided into 10 parts of each 0.1.   Therefore, 3/8 = 0.375 and 1/10 = 0.1 in decimals.

Q: What gets broken without being held? 2021 0

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Answer :
Explanation :

Yes, a promise can be broken without being held.

Q: If two cards are taken one after another without replacing from a pack of 52 cards. What is the probability for the two cards be Ace ? 2020 0

  • 1
    51/1221
    Correct
    Wrong
  • 2
    42/221
    Correct
    Wrong
  • 3
    1/221
    Correct
    Wrong
  • 4
    52/1245
    Correct
    Wrong
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Answer : 3. "1/221"
Explanation :

Answer: C) 1/221 Explanation: Total Combination of getting a card from 52 cards = C152 Because there is no replacement, so number of cards after getting first card= 51 Now, Combination of getting an another card= C151 Total combination of getting 2 cards from 52 cards without replacement= (C152×C151)  There are total 4 Ace in stack. Combination of getting 1 Ace is = C14   Because there is no replacement, So number of cards after getting first Ace = 3 Combination of getting an another Ace = C13 Total Combination of getting 2 Ace without replacement=C14×C13 Now,Probability of getting 2 cards which are Ace =C14×C13C152×C151 = 1/221.

Q: India's largest digital bank _____________ is the only bank providing zero balance accounts and zero charges on digital transactions. 2020 0

  • 1
    Paytm Payments Bank
    Correct
    Wrong
  • 2
    India Post Payments Bank
    Correct
    Wrong
  • 3
    Airtel Payments Bank
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 1. "Paytm Payments Bank"
Explanation :

Answer: A) Paytm Payments Bank Explanation: Paytm Payments Bank is the India's largest digital bank providing zero balance accounts and zero charges on digital transactions.

Q: Which digits will come in the place of '?' in the following series ? 372, 823, 644, 582, 46?, 8?7 2020 0

  • 1
    4, 4
    Correct
    Wrong
  • 2
    6, 2
    Correct
    Wrong
  • 3
    3, 2
    Correct
    Wrong
  • 4
    2, 5
    Correct
    Wrong
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Answer : 2. "6, 2"
Explanation :

Answer: B) 6, 2 Explanation: Given series is 372, 823, 644, 582, 46?, 8?7 Here the series follow the rule that :372 = 3+7+2 = 12823 = 8+2+3 = 13644 = 6+4+4 = 14582 = 5+8+2 = 1546? = 4+6+? = 16 => ? = 68?7 = 8+?+7 = 17 => ? = 2 So the missing numbers are 6 and 2

Q: What is black when you buy it, red when you use it, and gray when you throw it away? 2019 0

  • 1
    Shoe
    Correct
    Wrong
  • 2
    Charcoal
    Correct
    Wrong
  • 3
    Belt
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 2. "Charcoal"
Explanation :

Answer: B) Charcoal Explanation: It is Charcoal which is black when we buy it or when not being used. It gets red in appearance when put in use means to say when burning. And eventually when it's been consumed by fire or after getting burned out or used up, changes into ashes which look grey in color.

Q: Find the Odd one out of the following Numbers? 2019 0

  • 1
    3
    Correct
    Wrong
  • 2
    19
    Correct
    Wrong
  • 3
    67
    Correct
    Wrong
  • 4
    133
    Correct
    Wrong
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Answer : 4. "133"
Explanation :

Answer: D) 133 Explanation: Here among the given numbers, 3, 19, 67 are prime numbers. And 133 is not a prime number.   Hence, the odd number of the given numbers is 133.

Q: Dry ice is an example of which process 2018 0

  • 1
    Condensation
    Correct
    Wrong
  • 2
    Evaporation
    Correct
    Wrong
  • 3
    Sublimation
    Correct
    Wrong
  • 4
    Freezing
    Correct
    Wrong
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Answer : 3. "Sublimation"
Explanation :

Answer: C) Sublimation Explanation: Sublimation is a process when a solid changes directly into gas instead changing into liquid first. Dry ice is an example of Sublimation process because it doesn't change into liquid CO2 and directly change into gaseous CO2 when heated.   Hence, Dry ice is an example of Sublimation process.

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