CAT Practice Question and Answer

Q: From a group of 7 boys and 6 girls, five persons are to be selected to form a team, so that at least 3 girls are there in the team. In how many ways can it be done? 1990 0

  • 1
    427
    Correct
    Wrong
  • 2
    531
    Correct
    Wrong
  • 3
    651
    Correct
    Wrong
  • 4
    714
    Correct
    Wrong
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Answer : 2. "531"
Explanation :

Answer: B) 531 Explanation: Given in the question that, there are 7 boys and 6 girls.  Team members = 5 Now, required number of ways in which a team of 5 having atleast 3 girls in the team =  6C3  x 7C2  + 6C4 x 7C1 + 6C5= 6x5x43x2x1 x 7x62x1 + 6x5x4x34x3x2x1 x 7 + 6x5x4x3x25x4x3x2x1= 420 + 105 + 6= 531.

Q: 12 N in a C = 1987 0

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Answer :
Explanation :

12 N in a C means 12 Numbers in a Clock.

Q: Appellate jurisdiction refers to 1987 0

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Answer :
Explanation :

Appellate jurisdiction refers to the power of a higher court to review decisions and change outcomes of decisions of lower courts.

Q: Prime Minister NarendraModi released a book authored by LokSabha Speaker SumitraMahajan in New Delhi, recently. The book is titled as __________. 1987 0

  • 1
    Matopadesh
    Correct
    Wrong
  • 2
    Bhagyashree
    Correct
    Wrong
  • 3
    Preranadayini
    Correct
    Wrong
  • 4
    Matoshree
    Correct
    Wrong
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Answer : 4. "Matoshree"
Explanation :

Answer: D) Matoshree Explanation: Prime Minister NarendraModi released a book authored by LokSabha Speaker SumitraMahajan in New Delhi, recently. The book is titled as 'Matoshree'.

Q: A Disease which spreads by contact? 1987 1

  • 1
    Infectious
    Correct
    Wrong
  • 2
    Fatal
    Correct
    Wrong
  • 3
    Incurable
    Correct
    Wrong
  • 4
    Contagious
    Correct
    Wrong
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Answer : 4. "Contagious"
Explanation :

Answer: D) Contagious Explanation: A Disease which spreads by contact are Contagious. Infectious diseases : These are caused by microscopic germs such as bacteria or viruses that get into the body and cause problems. Some but not all infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious. Some infections spread to people from an animal or insect, but are not contagious from another human.  Contagious diseases such as the flu, colds, or strep throat spread from person to person in several ways. One way is through direct physical contact, like touching or kissing a person who has the infection. Another way is when an infectious microbe travels through the air after someone nearby sneezes or coughs. Fatal Diseases : Diseases leading to failure or disaster. Incurable Diseases : Diseases of a sick person not able to be cured.

Q: 1, 2, 8, 33, ? Find the next number in the given series? 1987 0

  • 1
    148
    Correct
    Wrong
  • 2
    145
    Correct
    Wrong
  • 3
    143
    Correct
    Wrong
  • 4
    141
    Correct
    Wrong
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Answer : 1. "148"
Explanation :

Answer: A) 148 Explanation: 1 x 1 + 1 x 1 = (1 + 1) = 2 2 x 2 + 2 x 2 = (4 + 4) = 8 8 x 3 + 3 x 3 = (24 + 9) = 33 33 x 4 + 4 x 4 = (132 + 16) = 148 148 x 5 + 5 x 5 = (740 + 25) = 765.

Q: How many blocks in a mile? 1987 0

  • 1
    8 - 12
    Correct
    Wrong
  • 2
    12 - 15
    Correct
    Wrong
  • 3
    8 - 15
    Correct
    Wrong
  • 4
    15 - 20
    Correct
    Wrong
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Answer : 4. "15 - 20"
Explanation :

Answer: D) 15 - 20 Explanation: About 15 - 20 blocks become a 1 mile. City blocks differ in sizes. They do not have a standard measurement. Every geographical area has its own average city block size. A city block is a rectangular area in a city with several buildings with the streets around. It is also called "block" which, in a dictionary, is defined as an informal unit of distance from one intersection to the next.

Q: Which continent has the least countries? 1986 0

  • 1
    Africa
    Correct
    Wrong
  • 2
    South America
    Correct
    Wrong
  • 3
    Antarctica
    Correct
    Wrong
  • 4
    Europe
    Correct
    Wrong
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Answer : 3. "Antarctica"
Explanation :

Answer: C) Antarctica Explanation: Africa - 54 countries South America - 12 countries Antarctica - 0 countries Europe - 43 countries.   Hence, Antarctica continent has the least countries.

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