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प्र: On a school’s Annual day sweets were to be equally distributed amongst 112 children. But on that particular day, 32 children were absent. Thus the remaining children got 6 extra sweets. How many sweets was each child originally supposed to get ? 2052 0

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    14
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  • 2
    16
    सही
    गलत
  • 3
    12
    सही
    गलत
  • 4
    15
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    गलत
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उत्तर : 4. "15"
व्याख्या :

Answer: D) 15 Explanation: Let 'K' be the total number of sweets.Given total number of students = 112If sweets are distributed among 112 children,Let number of sweets each student gets = 'L' => K/112 = L ....(1)But on that day students absent = 32 => remaining = 112 - 32 = 80Then, each student gets '6' sweets extra. => K/80 = L + 6 ....(2)from (1) K = 112L substitute in (2), we get112L = 80L + 48032L = 480L = 15 Therefore, 15 sweets were each student originally supposed to get.

प्र: The sum of the digits of a two-digits number is 10,while when the digits are reversed, the number decreases by 54. Find the changed number ? 2052 0

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    28
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  • 2
    19
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  • 3
    37
    सही
    गलत
  • 4
    46
    सही
    गलत
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उत्तर : 1. "28"
व्याख्या :

Answer: A) 28 Explanation: Let the original number is 82 i.e 8 + 2 = 10 and when the digits are reversed i.e 28The difference is 82 - 28 = 54 i.e, the number is decreased by 54.

प्र: Which of the following describes loyalists? 2051 0

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    They thought Patriots were too radical
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  • 2
    They decided to fight against the British
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    They wanted to return to Britain
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  • 4
    They supported British taxation
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उत्तर : 1. "They thought Patriots were too radical"
व्याख्या :

Answer: A) They thought Patriots were too radical Explanation: They thought Patriots were too radical is the statement which describes loyalists correctly.

प्र: In a plant cell, DNA may be found in 2051 0

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    only in the nucleus and mitochondria.
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    only in the nucleus and chloroplasts
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  • 3
    in the nucleus, mitochondria, and chloroplasts.
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  • 4
    only in the nucleus.
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उत्तर : 3. "in the nucleus, mitochondria, and chloroplasts."
व्याख्या :

Answer: C) in the nucleus, mitochondria, and chloroplasts. Explanation: All of the genetic information in a cell was initially thought to be confined to the DNA in the chromosomes of the cell nucleus. It is now known that small circular chromosomes, called extranuclear, or cytoplasmic, DNA, are located in two types of organelles found in the cytoplasm of the cell. These organelles are the mitochondria in animal and plant cells and the chloroplasts in plant cells. Chloroplast DNA (cpDNA) contains genes that are involved with aspects of photosynthesis and with components of the special protein-synthesizing apparatus that is active within the organelle. Mitochondrial DNA (mtDNA) contains some of the genes that participate in the conversion of the energy of chemical bonds into the energy currency of the cell—a chemical called adenosine triphosphate (ATP)—as well as genes for mitochondrial protein synthesis.

प्र: Peacock : India :: Bear : ? 2051 0

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    England
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  • 2
    America
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  • 3
    Russia
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  • 4
    Africa
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उत्तर : 3. "Russia"
व्याख्या :

Answer: C) Russia Explanation: Here the relation between the given words is that the first word is the National animal of the second word. As Peacock is the national bird of India, similarly Bear is the national animal of Russia.   Hence, Peacock : India :: Bear : Russia.

प्र: Which of the following is not a fossil fuel? 2050 0

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    Natural Gas
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  • 2
    Uranium
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  • 3
    Coal
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  • 4
    Petroleum
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उत्तर : 2. "Uranium"
व्याख्या :

Answer: B) Uranium Explanation: Uranium is not a fossil fuel whereas coal, petroleum and natural gas are all natural resources. Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes hydrocarbon-containing natural resources that are not derived from animal or plant sources

प्र: The first stage in the formation of coal is 2050 1

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    Lignite
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  • 2
    Bituminous
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  • 3
    Anthracite
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    गलत
  • 4
    Peat
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उत्तर : 4. "Peat"
व्याख्या :

Answer: D) Peat Explanation: The first of the four stages of coal formation is lignite coal.   There are four stages of coal formation:   1. Peat,   2. Lignite,   3. Bituminous and   4. Anthracite. The bacteria has removed a large portion of the other constituents of the plant matter and left around 25 to 34 percent.

प्र: Dry ice is an example of which process 2050 0

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    Condensation
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  • 2
    Evaporation
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    Sublimation
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  • 4
    Freezing
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उत्तर : 3. "Sublimation"
व्याख्या :

Answer: C) Sublimation Explanation: Sublimation is a process when a solid changes directly into gas instead changing into liquid first. Dry ice is an example of Sublimation process because it doesn't change into liquid CO2 and directly change into gaseous CO2 when heated.   Hence, Dry ice is an example of Sublimation process.

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