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प्र: If a trader sold two cars each at Rs. 404415 and gains 15% on the first and loses 15% on the second, then his profit or loss percent on the whole is ? 2293 0

  • 1
    1.44 %
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  • 2
    2.02 %
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  • 3
    1.04 %
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  • 4
    2.25 %
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उत्तर : 4. "2.25 %"
व्याख्या :

Answer: D) 2.25 % Explanation: SP of each car is Rs. 404415, he gains 15% on first car and losses 15% on second car. In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (15)(15)/100 % = 2.25%

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 ? 2293 0

  • 1
    14
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  • 2
    16
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  • 3
    12
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  • 4
    15
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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.

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उत्तर : 4. "Neither a nor b follows"
व्याख्या :

Answer: D) Neither a nor b follows Explanation: Financial support to the tourism sector is not a permanent solution. Secondly, constant risk for the foreign tourists will never encourage tourism in India. Hence, none of the course action is the right solution in this direction.

प्र: Math Challenge 2292 0

  • 1
    7
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  • 2
    44
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  • 3
    4
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  • 4
    33
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उत्तर : 3. "4"
व्याख्या :

Answer: C) 4 Explanation: Let the required number be 'N' given that its quarter i.e; N/4 exceeds its double i.e, 2N by 7 => N/4 + 7 = 2N => N + 28 = 8N 7N = 28 N = 4.

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 ? 2292 0

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    28
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  • 2
    19
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  • 3
    37
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  • 4
    46
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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: Vishal and Raghu jointly started a business. Vishal invested three times as Raghu did and invested his money for double time as compared to Raghu. Raghu earned Rs. 4000. If the gain is proportional to the money invested and the time for which the money is invested then the total gain was  ? 2291 0

  • 1
    Rs. 28,000
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  • 2
    Rs. 18,000
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  • 3
    Rs. 14,000
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  • 4
    Rs. 8,000
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उत्तर : 1. "Rs. 28,000"
व्याख्या :

Answer: A) Rs. 28,000 Explanation: Investments ratio is = 3:1Time period ratio is = 2:1 As they are proportional to gain ------Gain ratio of Vishal and raghu = 6:1 But given Raghu got Rs. 4000,  =? 1 ----- 4000     7 -----    ? => Rs.28,000 The total gain = Rs.28,000

प्र: Amino acids can be distinguished from one another by 2289 0

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    type of bond between the R group and the rest of the molecule
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  • 2
    the number of R groups found on the amino acid molecules
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  • 3
    the chemical properties of their R groups
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  • 4
    the chemical properties of the amino and carboxyl groups
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उत्तर : 3. "the chemical properties of their R groups"
व्याख्या :

Answer: C) the chemical properties of their R groups Explanation: Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.   Depending on the nature of the side chain groups, three classes of aminoacids can e distinguished: 1. Amino acids with H ond donor and acceptor groups. Histidine, lysine, aspartic acid, threonine,... 2. Amino acids with donor grups only. Arginine, tryptophan and cysteine. 3. Amino acids with acceptor groups only. Asparagine and glutamine.

प्र: Name the movie that voted 2016’s Best Film by Indian film critics’ poll? 2288 0

  • 1
    Pink
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  • 2
    Sultan
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  • 3
    Mohenjadaro
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  • 4
    Dangal
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उत्तर : 4. "Dangal"
व्याख्या :

Answer: D) Dangal Explanation:

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