CAT Practice Question and Answer

Q: The calendar for the year 2007 will be the same for the year ? 2177 0

  • 1
    2014
    Correct
    Wrong
  • 2
    2019
    Correct
    Wrong
  • 3
    2021
    Correct
    Wrong
  • 4
    2018
    Correct
    Wrong
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Answer : 4. "2018"
Explanation :

Answer: D) 2018 Explanation: Count the number of odd days from the year 2007 onwards to get the sum equal to 0 odd day. Year : 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017Odd day : 1 2 1 1 1 2 1 1 1 2 1 Sum = 14 odd days => 0 odd days.Calendar for the year 2018 will be the same as for the year 2007.

Q: K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ? 2177 0

  • 1
    5.5 days
    Correct
    Wrong
  • 2
    6 days
    Correct
    Wrong
  • 3
    4.2 days
    Correct
    Wrong
  • 4
    5 days
    Correct
    Wrong
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Answer : 2. "6 days"
Explanation :

Answer: B) 6 days Explanation: L's 10 days work = 115×10=23   Remaining work = 1-23=13   Now,  work is done by K in one day = 1/18   1/3 work is done by K in  18×13 = 6 days

Q: Twenty times a positive integer is less than its square by 96. What is the integer ? 2176 0

  • 1
    42
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 4. "24"
Explanation :

Answer: D) 24 Explanation: Let the integer be x. Then, x2 - 20x = 96 (x + 4)(x - 24) = 0 x = 24

Q: There are 5 consecutive odd numbers. If the difference between square of the average of first two odd number and the of the average last two odd numbers is 396, what is the smallest odd number? 2176 0

  • 1
    29
    Correct
    Wrong
  • 2
    27
    Correct
    Wrong
  • 3
    31
    Correct
    Wrong
  • 4
    33
    Correct
    Wrong
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Answer : 1. "29"
Explanation :

Answer: A) 29 Explanation: Let the five consecutive odd numbers be x-4, x-2, x, x+2, x+4 According to the question, Difference between square of the average of first two odd number and the of the average last two odd numbers is 396 i.e, x+3 and x-3 ⇒x + 32 - x - 32 = 396⇒ x2 + 9 + 6x - x2 + 6x - 9 = 396⇒ 12x = 396⇒ x = 33   Hence, the smallest odd number is 33 - 4 = 29.

Q: The more you take, the more you leave behind. What is that? 2176 0

  • 1
    Pictures
    Correct
    Wrong
  • 2
    Hole
    Correct
    Wrong
  • 3
    Clothes
    Correct
    Wrong
  • 4
    Footsteps
    Correct
    Wrong
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Answer : 4. "Footsteps"
Explanation :

Answer: D) Footsteps Explanation: Yes, footsteps are what we take more, the more we leave behind.

Q: 7 C in the R? 2176 0

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Answer :
Explanation :

The given letter equation implies that,   7 C in the R = 7 Colours in a Rainbow.

Q: Richest man in Asia 2018? 2175 0

  • 1
    Mukesh Ambani
    Correct
    Wrong
  • 2
    Jack Ma
    Correct
    Wrong
  • 3
    Prem Ji
    Correct
    Wrong
  • 4
    Lee
    Correct
    Wrong
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Answer : 1. "Mukesh Ambani"
Explanation :

Answer: A) Mukesh Ambani Explanation: Indian business magnate Mukesh Ambani topples Jack Ma as Asia’s richest person as he positions Reliance Industries to disrupt the e-commerce space in India.   The chairman of India’s refining-to-telecoms conglomerate, Ambani was estimated to be worth US$44.3 billion in July 2018 with the share price of Reliance Industries rising 1.6 per cent to a record 1,099.8 rupees (US$16.05), according to Bloomberg Billionaires Index.   Jack Ma’s wealth stood at US$44 billion at the close of trading on the sameday in the US, where the company is listed.

Q: What type of macromolecule is DNA? 2174 0

  • 1
    Proteins
    Correct
    Wrong
  • 2
    Carbohydrates
    Correct
    Wrong
  • 3
    Nucleic acids
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 3. "Nucleic acids"
Explanation :

Answer: C) Nucleic acids Explanation: DNA stands for Deoxyribo nucleic acid. It is a nucleic acid made up of monomeric unit called Nucleotide. A nucleotide consist of - a) Sugar - Deoxyribose in DNA ( ribose in RNA) b) An organic base- Adenine, cytosine, guanine.

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