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प्र: Three persons A, B and C are standing in a queue. There are five persons between A and B and eight persons between B and C. If there be three persons ahead of C and 21 persons behind A, what could be the minimum number of persons in the queue? 5766 0

  • 1
    41
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  • 2
    40
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  • 3
    28
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  • 4
    27
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उत्तर : 3. "28"
व्याख्या :

Answer: C) 28 Explanation: Three persons A, B, C can be arranged in a queue in six different ways, ie ABC, CBA, BAC, CAB, BCA, ACB. But since there are only 3 persons ahead of C, so C should be in front of the queue. Thus, there are only two possible arrangements, ie CBA and CAB.   We may consider the two cases as under: Case I:  ←3C↔8B↔5A→21   Clearly, number of persons in the queue = (3+1+8+1+5+1+21=) 40   Case II:  ←3C A↔5B   Number of persons between A and C                     = (8 - 6) = 2    ∵[C↔8B A→21B]   Clearly number of persons in the queue = (3+1+2+1+21) = 28   Now, 28 < 40. So, 28 is the minimum number of persons in the queue.

प्र: Boy, man, uncle, fireman, grandfather are... 5744 0

  • 1
    Feminine titles
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  • 2
    Masculine titles
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  • 3
    Both Feminine and Masculine titles
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  • 4
    None of the above
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उत्तर : 2. "Masculine titles"
व्याख्या :

Answer: B) Masculine titles Explanation: As they are the titles of male gender, they are called as Masculine titles.

प्र: 2 is to 55 as 6 is to 5714 0

  • 1
    99
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  • 2
    44
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  • 3
    9
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  • 4
    33
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उत्तर : 1. "99"
व्याख्या :

Answer: A) 99 Explanation: Given 2 is to 55 2 + 3 = 5  5 x 11 = 55 Similarly, 6 6 + 3 = 9 9 x 11 = 99   Hence, 2 is to 55 as 6 is to 99.

प्र: In a certain coding language, iF GO = 32 & SHE = 49 then SOME will be equal to ? 5687 0

  • 1
    56
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  • 2
    58
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  • 3
    62
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  • 4
    64
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उत्तर : 1. "56"
व्याख्या :

Answer: A) 56 Explanation: If we count letters till the end of the alphabet including that letter in reverse order then Here the values are nothing but the values corresponding to the alphabets when taken in a reverse order,i.e,A=26 ,B=25...,Z=1G = 20 and O = 12 totaling 32S = 8, H = 19 and E = 22 totaling 49 So SOME = 8 + 12 + 14 + 22 = 56.

प्र: What is the number of digits in 333? Given that log3 = 0.47712? 5667 0

  • 1
    12
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  • 2
    13
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  • 3
    14
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  • 4
    15
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उत्तर : 2. "13"
व्याख्या :

Answer: B) 13 Explanation:  Let   Let x=333 = 333    Then, logx = 33 log3     = 27 x 0.47712 = 12.88224    Since the characteristic in the resultant value of log x is 12   ∴The number of digits in x is (12 + 1) = 13    Hence the required number of digits in 333is 13.

प्र: Amar can do a piece of work in 10 days. He works at it for 4 days and then Arun finishes it in 9 days. In how many days can Amar and Arun together finish the work ? 5649 0

  • 1
    4 days
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  • 2
    8 days
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  • 3
    3 days
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  • 4
    6 days
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उत्तर : 4. "6 days"
व्याख्या :

Answer: D) 6 days Explanation: 4/10 + 9/x = 1     => x = 15    Then both can do in  1/10 + 1/15 = 1/6     => 6 days

प्र: Which of the following is NOT true about enterprise systems? 5639 0

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    The software is expressly built to allow companies to mimic their unique business practices
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  • 2
    The software includes analytical tools to evaluate overall organization performance
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  • 3
    They help firms respond rapidly to customer requests for info or products
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  • 4
    The data have standardized definitions and formats that are accepted by the entire organization
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उत्तर : 1. "The software is expressly built to allow companies to mimic their unique business practices"
व्याख्या :

Answer: A) The software is expressly built to allow companies to mimic their unique business practices Explanation: Enterprise systems (ES) are large-scale application software packages that support business processes, information flows, reporting, and data analytics in complex organizations.   Here option A) The software is expressly built to allow companies to mimic their unique business practices is not TRUE about enterprise systems.

प्र: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 5629 0

  • 1
    ²²C₁₀ + 1
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  • 2
    ²²C₉ + ¹⁰C₁
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  • 3
    ²²C₁₀
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    गलत
  • 4
    ²²C₁₀ - 1
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उत्तर : 4. "²²C₁₀ - 1"
व्याख्या :

Answer: D) ²²C₁₀ - 1 Explanation: The total number of ways of forming the group of ten representatives is ²²C₁₀. The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way The required number of ways = ²²C₁₀ - 1

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