CAT Practice Question and Answer

Q: Rs. 7444 is divided among 5 ladies, 3 gents and 3 girls. The ratio of share of a lady, a gents and a girl is 7: 4: 3. What is the share of gents ? 2965 0

  • 1
    Rs. 1595.14
    Correct
    Wrong
  • 2
    Rs. 1793.4
    Correct
    Wrong
  • 3
    Rs. 595.14
    Correct
    Wrong
  • 4
    Rs. 1551.5
    Correct
    Wrong
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Answer : 1. "Rs. 1595.14"
Explanation :

Answer: A) Rs. 1595.14 Explanation: Ratio of the share of a lady, a gents and a girl is 7 : 4 : 3No of ladies, gents and girls are 5, 3, 3Thus effective ratio of ladies, gents and girls is 7 x 5 : 4 x 3 : 3 x 3 = 35 : 12 : 9so part of gents = (12/56) x 7444 = Rs. 1595.142so part of 1 gents = 1595.142/3 = Rs. 531.71.

Q: Which statement best describes Arteries? 2964 0

  • 1
    They have thin walls and transport blood away from the heart
    Correct
    Wrong
  • 2
    They have thick walls and transport blood toward the heart
    Correct
    Wrong
  • 3
    They have thin walls and transport blood toward the heart
    Correct
    Wrong
  • 4
    They have thick walls and transport blood away from the heart
    Correct
    Wrong
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Answer : 4. "They have thick walls and transport blood away from the heart"
Explanation :

Answer: D) They have thick walls and transport blood away from the heart Explanation: Because arteries have to have thick walls for use of protection. Its when you get to veins where the walls get thinner. And the use of the heart is to pump blood to all of the cells and organs in the body so it would be to transport blood away from the heart. i.e.  Arteries = Away from the Heart Veins = Back to the Heart.

Q: Which is the most accurate statement about trade? 2964 0

  • 1
    Trade makes some nations better off and others worse off
    Correct
    Wrong
  • 2
    Trading for a good can make a nation better off only if the nation cannot produce that good itself
    Correct
    Wrong
  • 3
    Trade helps rich nations and hurts poor nations
    Correct
    Wrong
  • 4
    Trade can make every nation better off
    Correct
    Wrong
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Answer : 4. "Trade can make every nation better off"
Explanation :

Answer: D) Trade can make every nation better off Explanation:

Q: How many 7 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 2, 4? 2961 0

  • 1
    120
    Correct
    Wrong
  • 2
    360
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    424
    Correct
    Wrong
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Answer : 2. "360"
Explanation :

Answer: B) 360 Explanation: There are 7 digits 1, 2, 0, 2, 4, 2, 4 in which 2 occurs 3 times, 4 occurs 2 times.    Number of 7 digit numbers = 7!3!×2! = 420   But out of these 420 numbers, there are some numbers which begin with '0' and they are not 7-digit numbers. The number of such numbers beginning with '0'.   =6!3!×2! = 60   Hence the required number of 7 digits numbers = 420 - 60 = 360

Q: Which city is located on the banks of the river Mula-Mutha? 2958 0

  • 1
    Pune
    Correct
    Wrong
  • 2
    Nagpur
    Correct
    Wrong
  • 3
    Ahmedabad
    Correct
    Wrong
  • 4
    Surat
    Correct
    Wrong
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Answer : 1. "Pune"
Explanation :

Answer: A) Pune Explanation: The Mula-Mutha is a river in India, formed by the confluence of the Mula and Mutha rivers in the city of Pune, which later meets the Bhima River, which itself later meets the Krishna River and finally emptying to the Bay of Bengal.

Q: Antibiotics are mostly obtained from 2954 1

  • 1
    Viruses
    Correct
    Wrong
  • 2
    Fungi
    Correct
    Wrong
  • 3
    Bacteria
    Correct
    Wrong
  • 4
    Angiosperms
    Correct
    Wrong
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Answer : 2. "Fungi"
Explanation :

Answer: B) Fungi Explanation:

Q: Compound interest earned on a sum for the second and the third years are Rs.1200 and Rs.1440 respectively. Find the rate of interest ? 2953 0

  • 1
    20% p.a
    Correct
    Wrong
  • 2
    15% p.a
    Correct
    Wrong
  • 3
    18% p.a
    Correct
    Wrong
  • 4
    24% p.a
    Correct
    Wrong
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Answer : 1. "20% p.a"
Explanation :

Answer: A) 20% p.a Explanation: Rs.1440 - 1200 = Rs.240 is the interest on Rs.1200 for one year. Rate of interest = (100 x 240) / (1200) = 20% p.a

Q: A bird lover was asked how many birds he had in the basket. He replied that there were all parrots but six, all pigeons but six, and all koel but six. How many birds he had in the basket in all ? 2949 0

  • 1
    8
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 3. "9"
Explanation :

Answer: C) 9 Explanation: There were all parrots but six means that six birds were not parrots but only pigeons and koels. Similarly, number of parrots + number of koels = 6 and number of parrots + number of pigeons = 6. This is possible when there are 3 parrots, 3 pigeons and 3 koels i.e. 9 birds in all.

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