CAT प्रश्न और उत्तर का अभ्यास करें

प्र: 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
    सही
    गलत
  • 2
    531
    सही
    गलत
  • 3
    651
    सही
    गलत
  • 4
    714
    सही
    गलत
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उत्तर : 2. "531"
व्याख्या :

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.

प्र: 12 N in a C = 1987 0

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उत्तर :
व्याख्या :

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

प्र: Appellate jurisdiction refers to 1987 0

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उत्तर :
व्याख्या :

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

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

  • 1
    Matopadesh
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    गलत
  • 2
    Bhagyashree
    सही
    गलत
  • 3
    Preranadayini
    सही
    गलत
  • 4
    Matoshree
    सही
    गलत
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उत्तर : 4. "Matoshree"
व्याख्या :

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'.

प्र: A Disease which spreads by contact? 1987 1

  • 1
    Infectious
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  • 2
    Fatal
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  • 3
    Incurable
    सही
    गलत
  • 4
    Contagious
    सही
    गलत
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उत्तर : 4. "Contagious"
व्याख्या :

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.

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

  • 1
    148
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    गलत
  • 2
    145
    सही
    गलत
  • 3
    143
    सही
    गलत
  • 4
    141
    सही
    गलत
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उत्तर : 1. "148"
व्याख्या :

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.

प्र: How many blocks in a mile? 1987 0

  • 1
    8 - 12
    सही
    गलत
  • 2
    12 - 15
    सही
    गलत
  • 3
    8 - 15
    सही
    गलत
  • 4
    15 - 20
    सही
    गलत
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उत्तर : 4. "15 - 20"
व्याख्या :

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.

प्र: Which continent has the least countries? 1986 0

  • 1
    Africa
    सही
    गलत
  • 2
    South America
    सही
    गलत
  • 3
    Antarctica
    सही
    गलत
  • 4
    Europe
    सही
    गलत
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उत्तर : 3. "Antarctica"
व्याख्या :

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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