CAT प्रश्न और उत्तर का अभ्यास करें

प्र: Which of the following vitamin helps in clotting of blood? 1502 0

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    Vitamin K
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    गलत
  • 2
    Vitamin D
    सही
    गलत
  • 3
    Vitamin B1
    सही
    गलत
  • 4
    Vitamin B2
    सही
    गलत
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उत्तर : 1. "Vitamin K"
व्याख्या :

Answer: A) Vitamin K Explanation: Vitamin K helps in clotting of blood. It is used by the body to help blood clot.   Warfarin (Coumadin) is used to slow blood clotting. By helping the blood clot, vitamin K might decrease the effectiveness of warfarin (Coumadin).

प्र: In a certain office, 1/3 of workers are women, 1/2 of the women are married and 1/3 of the married women have children. If 3/4  of the men are married and 2/3  of the married men have children, what part of the workers are without children? 1502 0

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    5/18
    सही
    गलत
  • 2
    4/9
    सही
    गलत
  • 3
    11/18
    सही
    गलत
  • 4
    17/36
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उत्तर : 3. "11/18"
व्याख्या :

Answer: C) 11/18 Explanation: Let the total number of workers be x. Then,    Number of women = x/3 and number of men = x - x/3  = 2x/3   Number of women having children = x/18   Number of men having children = x/3   Number of workers having children = (x/18) + (x/3) = 7x/18    Therefore, workers having no children = x - 7x/18 = 11/18 of all workers.

प्र: What frequency range is the high frequency band? 1502 0

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    3 kHz
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    गलत
  • 2
    3 to 30 MHz
    सही
    गलत
  • 3
    30 to 300 MHz
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    गलत
  • 4
    10 GHz
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उत्तर : 2. "3 to 30 MHz"
व्याख्या :

Answer: B) 3 to 30 MHz Explanation: The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.

प्र: Which of the following is not a plantation crop? 1501 0

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    rubber
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  • 2
    coffee
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  • 3
    gram
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  • 4
    coconut
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उत्तर : 3. "gram"
व्याख्या :

Answer: C) gram Explanation: Gram is not a Plantation crop among the given options.   Plantation crops are known as cash crops. These crops are mostly grown at tropical and subtropical areas. These crops are grown for sale but not for local consumption. such crops include rubber, coffee, tea, various oil seeds, sugar cane,etc. So, Gram is not a plantation crop.

प्र: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by ___________. 1501 0

  • 1
    Mehbooba Mufti
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  • 2
    Narendra Modi
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  • 3
    Nitin Gadkari
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    गलत
  • 4
    Pranab Mukherjee
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उत्तर : 1. "Mehbooba Mufti"
व्याख्या :

Answer: A) Mehbooba Mufti Explanation: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by Chief Minister Mehbooba Mufti who hoped the facility would ease traffic congestion in and around Lal Chowk. The multi-level car park, located near the old KMD bus stand on Maulana Azad Road, has been set up at a cost of Rs 27.15 crore and has a capacity to hold 288 vehicles.

प्र: Find the Missing Number Puzzle for the Given 1501 0

  • 1
    8
    सही
    गलत
  • 2
    16
    सही
    गलत
  • 3
    9
    सही
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  • 4
    12
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उत्तर : 3. "9"
व्याख्या :

Answer: C) 9 Explanation: Given   6 = 3 => Number of letters in SIX = 3   12 = 6 => Number of letters in TWELVE = 6   14 = 8 => Number of letters in FOURTEEN = 8   Similarly,   22 = 9 => Number of letters in TWENTY TWO = 9           Therefore, 22 = 9.

प्र: In a mixture of milk and water the proportion of water by weight was 75%. If in 60 gm of mixture 15 gm water was added, what would be the percentage of water ? (Weight in gm) 1501 0

  • 1
    80%
    सही
    गलत
  • 2
    70%
    सही
    गलत
  • 3
    75%
    सही
    गलत
  • 4
    62%
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    गलत
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उत्तर : 1. "80%"
व्याख्या :

Answer: A) 80% Explanation: Water in 60 gm mixture=60 x 75/100 = 45 gm. and Milk = 15 gm.   After adding 15 gm. of water in mixture, total water = 45 + 15 = 60 gm and weight of a mixture = 60 + 15 = 75 gm.   So % of water = 100 x 60/75 = 80%.

प्र: A town has a population of 4000 requires 140 liters of water per head. It has a tank measuring 18m x 12m x 8m. The water of this tank will suffice for ____ days? 1501 0

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    3
    सही
    गलत
  • 2
    4
    सही
    गलत
  • 3
    5
    सही
    गलत
  • 4
    2
    सही
    गलत
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उत्तर : 1. "3"
व्याख्या :

Answer: A) 3 Explanation: Water required = 4000 x 140 = 560000 lit = 560 cu.m (1 cu.m = 1000 lit) Volume of tank = 18 x 12 x 8 = 1728 cu.m Water of this tank will suffice for = 1728/560 = 3 days.

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