IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Computer storage units smallest to largest? 2369 0

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उत्तर :
व्याख्या :

The smallest unit of data storage in a computer is called Bit (Binary Digit). Half a byte (four bits) is called a Nibble.   1 bit (binary digit) = the value of 0 or 1 8 bits = 1 byte 1024 bytes = 1 kilobyte 1024 kilobytes = 1 megabyte 1024 megabytes = 1 gigabyte 1024 gigabytes = 1 terabyte 1024 terabytes = 1 petabyte   Hence, Computer storage units smallest to largest i.e, in ascending order is  1 bit  <  1 byte  <  1 KB  <  1 MB  <  1 GB  <  1TB  <  1 PB.

प्र: Vaunt : Flaunt :: Disparate : ? 5601 0

  • 1
    Similar
    सही
    गलत
  • 2
    Homogenous
    सही
    गलत
  • 3
    Contrast
    सही
    गलत
  • 4
    Alike
    सही
    गलत
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उत्तर : 3. "Contrast"
व्याख्या :

Answer: C) Contrast Explanation: Vaunt - Vaunt means to boast or to praise about something excessively. Flaunt - Flaunt also means to boast about something or to praise something.   Flaunt is the synonym of the word Vaunt.   Disparate - Disparate means essentially different in its kind or unlike or not able to be compared. Then the required word is the synonym of Disparate.   Here in the given options, Contrast is the only word which is similar in meaning of Disparate.   Hence, Vaunt : Flaunt :: Disparate : Contrast.

प्र: What determines the value of an item? 2054 0

  • 1
    the capital required to build the factory
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  • 2
    the unlimited wants of the consumers
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  • 3
    the resources consumed in production
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  • 4
    the amount of goods that are produced
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उत्तर : 1. "the capital required to build the factory"
व्याख्या :

Answer: A) the capital required to build the factory Explanation: Value is the monetary worth of something, in this case, it is an item. In option A, since it is talking about capital which is measured in monetary terms. The value of an item is determined by its quality and its age. Often antiques with good quality are sold in the market with a high value and are sometimes auctioned.

प्र: Tilak rides on a cycle to a place at speed of 22 kmph and comes back at a speed of 20 kmph. If the time taken by him in the second case is 36 min. more than that of the first case, what is the total distance travelled by him (in km)? 2349 0

  • 1
    132 km
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  • 2
    264 km
    सही
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  • 3
    134 km
    सही
    गलत
  • 4
    236 km
    सही
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उत्तर : 2. "264 km"
व्याख्या :

Answer: B) 264 km Explanation: Let the distance travelled by Tilak in first case or second case = d kms Now, from the given data, d/20 = d/22 + 36 min => d/20 = d/22 + 3/5 hrs => d = 132 km.   Hence, the total distance travelled by him = d + d = 132 + 132 = 264 kms.

प्र: A Caste system is defined as 1660 0

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उत्तर :
व्याख्या :

A caste system is a social structure or a class structure in which classes are determined by heredity, that is determined by birth. Loosely, it means that in some societies, if your parents are poor, you’re going to be poor, too. Same goes for being rich if you’re a glass-half-full person.

प्र: What type of compound is Lecithin? 1550 0

  • 1
    Sterol
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  • 2
    Phospholipid
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  • 3
    Lipoprotein
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  • 4
    Glycolipid
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उत्तर : 2. "Phospholipid"
व्याख्या :

Answer: B) Phospholipid Explanation: Lecithin is a Phospholipid type of compounds. The main phospholipids in lecithin from soya and sunflower are phosphatidyl choline, phosphatidyl inositol, phosphatidyl ethanolamine, and phosphatidic acid.

प्र: I jump when i walk and sit when i stand, who am I? 2291 0

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उत्तर :
व्याख्या :

Kangaroo.

प्र: Which is true of the 1912 presidential election? 4584 0

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    Because all three major candidates were Progressive, the Socialist won
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  • 2
    Because all three major candidates were Progressive, Progressive votes were split
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  • 3
    Although none of the candidates was Progressive, the Progressives decided the election
    सही
    गलत
  • 4
    Although none of the candidates was Progressive, Progressive ideas were important
    सही
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उत्तर : 2. "Because all three major candidates were Progressive, Progressive votes were split"
व्याख्या :

Answer: B) Because all three major candidates were Progressive, Progressive votes were split Explanation: Because all three major candidates were Progressive, Progressive votes were split" is the one among the following that is true of the 1912 presidential election. The correct option among all the options that are given in the question is the option "B".

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