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प्र: There are six persons 1, 2, 3, 4, 5 and 6. 3 is the sister of 6. 2 is the brother of 5's husband. 4 is the father of 1 and grandfather of 6. There are two fathers, three brothers and a mother in the group. Which of the following is a group of brothers ? 2078 0

  • 1
    1, 2, 3
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  • 2
    3, 2, 6
    सही
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  • 3
    1, 2, 4
    सही
    गलत
  • 4
    1, 2, 6
    सही
    गलत
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उत्तर : 4. "1, 2, 6"
व्याख्या :

Answer: D) 1, 2, 6 Explanation: 4 is father of 1 and grandfather of 6. So, 1 is father of 6. Thus, 4 and 1 are the two fathers. 3 is the sister of 6. So, 3 is the daughter of 1. Since there is only one mother, it is evident that 5 is the wife of 1 and hence the mother of  3 and 6. So, 2 is brother of 1. There are three brothers. So, 6 is the brother of 3. Hence, 2 and 1 are brothers. 6 is the brother of 3. So, three brothers are 1, 2, 6.

प्र: A,B,C together can do a piece of work in 10 days.All the three started workingat it together and after 4 days,A left.Then,B and C together completed the work in 10 more days.In how many days can complete a work alone ? 2078 0

  • 1
    25
    सही
    गलत
  • 2
    24
    सही
    गलत
  • 3
    23
    सही
    गलत
  • 4
    21
    सही
    गलत
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उत्तर : 1. "25"
व्याख्या :

Answer: A) 25 Explanation: (A+B+C) do 1 work in 10 days. So (A+B+C)'s 1 day work=1/10 and as they work together for 4 days so workdone by them in 4 days=4/10=2/5 Remaining work=1-2/5=3/5   (B+C) take 10 more days to complete 3/5 work. So( B+C)'s 1 day work=3/50 Now A'S 1 day work=(A+B+C)'s 1 day work - (B+C)'s 1 day work=1/10-3/50=1/25 A does 1/25 work in in 1 day Therefore 1 work in 25 days.

प्र: If watches bought at prices ranging from Rs. 200 to Rs. 350 are sold at prices ranging from Rs. 300 to Rs. 425. What is the greatest possible profit that might be made in selling nine watches ? 2078 0

  • 1
    Rs. 1800
    सही
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  • 2
    Rs. 2000
    सही
    गलत
  • 3
    Rs. 2025
    सही
    गलत
  • 4
    Rs. 1750
    सही
    गलत
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उत्तर : 3. "Rs. 2025"
व्याख्या :

Answer: C) Rs. 2025 Explanation: Profit would be maximum if watches are brought for Rs. 200 and sold for Rs. 425Profit = Rs. (425 - 200) = Rs. 225Profit of 9 watches = Rs. 225 x 9 = Rs.2,025.

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 5400 ? 2076 0

  • 1
    90 degrees
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  • 2
    85 degrees
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  • 3
    60 degrees
    सही
    गलत
  • 4
    45 degrees
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उत्तर : 1. "90 degrees"
व्याख्या :

Answer: A) 90 degrees Explanation: Minute hand covers 5400/60 = 90°

प्र: Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed? 2076 0

  • 1
    25200
    सही
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  • 2
    26002
    सही
    गलत
  • 3
    22400
    सही
    गलत
  • 4
    25150
    सही
    गलत
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उत्तर : 1. "25200"

प्र: Milk is an example of a 2076 0

  • 1
    Emulsion
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  • 2
    Solution
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  • 3
    Gel
    सही
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  • 4
    Suspension
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उत्तर : 1. "Emulsion"
व्याख्या :

Answer: A) Emulsion Explanation: Milk is an emulsion of oil in water (o/w). Emulsion: A suspension of droplets of one liquid in another. Constituents of milk : The principal constituents of milk are water, fat, proteins, lactose (milk sugar) and minerals (salts). Milk also contains trace amounts of other substances such as pigments, enzymes, vitamins, phospholipids (substances with fatlike properties), and gases.

प्र: In a class, seven students are standing in a row. Q is standing left to R but right to P. O is standing right to N and left to P. Similarly, S is standing right to R and left to T. Find out who is standing in the middle ? 2074 0

  • 1
    Q
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  • 2
    R
    सही
    गलत
  • 3
    P
    सही
    गलत
  • 4
    S
    सही
    गलत
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उत्तर : 1. "Q"
व्याख्या :

Answer: A) Q Explanation: As from the given conditions;Order is N O P Q R S THere the student standing in the middle is 'Q'.

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उत्तर : 2. "28 24 16 15 09 04"
व्याख्या :

Answer: B) 28 24 16 15 09 04 Explanation: Carefully obsrving the given arrangement, we find the following pattern:We observe that the given numbers are arranged in descending order (from left to right), altering the position of only one number in each step, followed by the other numbers as it is. The process continues till the whole set of numbers is arranged in the descending order. Step1: 28 16 09 24 15 04Step2: 28 24 16 09 15 04Step3: 28 24 16 15 09 04 Hence, the answer is B

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