CAT Practice Question and Answer

Q: Find the Odd One Out? 3, 4, 14, 48, 576, 27648 1873 0

  • 1
    4
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    27648
    Correct
    Wrong
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Answer : 2. "14"
Explanation :

Answer: B) 14 Explanation: Given Number series is :   3   4   14   48   576   27648   It follows a pattern that,   3   4   4 x 3 = 12   but not 14   12 x 4 = 48   48 x 12 = 576   576 x 48 = 27648       Hence, the odd one in the given Number Series is 14.

Q: Who of the following threw a bomb in the Central Legislative Assembly along with Bhagat Singh ? 1872 0

  • 1
    B.K. Dutt
    Correct
    Wrong
  • 2
    Sukhdev
    Correct
    Wrong
  • 3
    Jatin Das
    Correct
    Wrong
  • 4
    Rajguru
    Correct
    Wrong
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Answer : 1. "B.K. Dutt"
Explanation :

Answer: A) B.K. Dutt Explanation: Bhagat Singh and B.K. Dutt threw bombs in the Legislative Assembly as a protest against "Passage of public Safety bill".

Q: P, Q, and R can do a job in 12 days together.  If their efficiency of working be in the ratio 3 : 8 : 5, Find in what time Q can complete the same work alone? 1871 0

  • 1
    36 days
    Correct
    Wrong
  • 2
    30 days
    Correct
    Wrong
  • 3
    24 days
    Correct
    Wrong
  • 4
    22 days
    Correct
    Wrong
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Answer : 1. "36 days"
Explanation :

Answer: A) 36 days Explanation: Given the ratio of efficiencies of P, Q & R are 3 : 8 : 5 Let the efficiencies of P, Q & R be 3x, 8x and 5x respectively They can do work for 12 days. => Total work = 12 x 16x = 192x   Now, the required time taken by Q to complete the job alone = 162x8x = 24 days.

Q: The term aerotolerant anaerobe refers to an organism that 1871 0

  • 1
    uses oxygen or grows without oxygen.
    Correct
    Wrong
  • 2
    requires more oxygen than is present in air.
    Correct
    Wrong
  • 3
    does not use oxygen but tolerates it.
    Correct
    Wrong
  • 4
    requires less oxygen than is present in air.
    Correct
    Wrong
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Answer : 3. "does not use oxygen but tolerates it."
Explanation :

Answer: C) does not use oxygen but tolerates it. Explanation:

Q: If Theresa's daughter is my daughter's mother, what am I to Theresa? 1870 0

  • 1
    Son-in-law
    Correct
    Wrong
  • 2
    Daughter-in-law
    Correct
    Wrong
  • 3
    Grand mother
    Correct
    Wrong
  • 4
    Grand Daughter
    Correct
    Wrong
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Answer : 1. "Son-in-law"
Explanation :

Answer: A) Son-in-law Explanation: Given that If Theresa's daughter is my daughter's mother It has 2 ways of Answers such that it depends on the sex of me. That is Male or Female.   1) If I am a Male : My daughter's mother is my wife. My wife is Teresa's daughter => I am Teresa's Son-in-law.   2) If I am a Female : My daughter's mother is myself. Myself Teresa's daughter. => I am Teresa's Daughter.   But in the given options only Son-in-law is available and daughter is not given.   So, Son-in-law is correct.

Q: 0 divided by 0 1870 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    Undefined
    Correct
    Wrong
  • 4
    Indeterminate
    Correct
    Wrong
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Answer : 4. "Indeterminate"
Explanation :

Answer: D) Indeterminate Explanation: Indeterminate are those,which mathematics can’t determine. Because we don’t actually know which one is the exact answer for this due to having lots of results for this. Explanation:: Let us think by this analogy that, 0 / 1 = 0 0 / 2 = 0 ………… ……….. we can say 0 / n = 0 from this we can write, 0/0 = 0 Again, another analogy,(from limiting concept of 1/0 = infinity) 1 / 0 = +∞ or -∞ 2 /0 = +∞ or -∞ ……… .……. we can say 0 / 0 = ∞ Again, another analogy, 1 / 1 = 1 2/2 = 1 .…….. ……….. we can say, 0/0 = 1 Now, you see it’s confusing. Every analog is mathematically correct then which one is the right answer for 0/0.  Therefore Mathematics can’t determine this fact. So, 0/0 is indeterminate.

Q: Find the odd one out of the series ? 35, 48, 54, 63, 81, 105 1870 0

  • 1
    63
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    81
    Correct
    Wrong
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Answer : 3. "35"
Explanation :

Answer: C) 35 Explanation: 48, 54, 63, 81 and 105 are divisible by 3 but not 35.

Q: When referring to student loans what is a grace period? 1869 0

  • 1
    6 months
    Correct
    Wrong
  • 2
    12 months
    Correct
    Wrong
  • 3
    18 months
    Correct
    Wrong
  • 4
    24 months
    Correct
    Wrong
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Answer : 1. "6 months"
Explanation :

Answer: A) 6 months Explanation: 6 months after graduating or quitting school when you have to start paying back the loans.   A grace period is one term that’s provided for student loans that allow you to delay payments up to a certain length of time, without penalty. During a grace period no late charges would apply, and the loan would not risk falling into default for missed payments. The grace period allows you time to find financial stability prior to having to make payments on your student loans.   Many students use student loans to help pay for their college expenses, including tuition, books, room and board, and other living expenses. Students are expected to repay these loans when they graduate.

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