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प्र: If y/(x - z) = (y + x)/z = x/y then find z : y : x ? 1559 0

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

Answer: B) 3:2:4 Explanation: Given, y/(x - z) = (y + x)/z = x/yyz = xy + x2 - yz - xz ....(1)Also xy = yx-z ⇒x2 -xz = y2 ....(2)Using (1) and (2), we get yz = xy - yz + y22yz = xy + y22z = x + y Only option (B) satisfies the equation.

प्र: There are 209 doctors and nurses in a hospital. If the ratio of the doctors to the nurses is 11 : 8, then how many nurses are there in the hospital? 1859 0

  • 1
    88
    सही
    गलत
  • 2
    96
    सही
    गलत
  • 3
    108
    सही
    गलत
  • 4
    121
    सही
    गलत
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उत्तर : 1. "88"
व्याख्या :

Answer: A) 88 Explanation: Given,The ratio of the doctors to the nurses is 11 : 8Number of nurses = 8/19 x 209 = 88.

प्र: If you had the chance to start your career over again, what would you do differently ? 965 0

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उत्तर :
व्याख्या :

This depends on several factors. Different Individuals have different answers for it.You can answer as - " I will most likely be involved in a different but still related career path; something to do with the creative side. If I were to start over I would attempt to get myself to specialize in one area as a young man. It’s very interesting to follow one’s interests all at the same time, but you don’t get anywhere very quickly this way. By pursuing lots of interests all at the same time, it takes a long, long time to acquire professional level skills."

प्र: If (2a + 3b)/(5a - 3b) = 23/5 , then the value of ba is ? 1917 0

  • 1
    5
    सही
    गलत
  • 2
    4
    सही
    गलत
  • 3
    20
    सही
    गलत
  • 4
    28
    सही
    गलत
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उत्तर : 3. "20"
व्याख्या :

Answer: C) 20 Explanation: Given (2a + 3b)/(5a - 3b) = 23/5 => 10a + 15b = 115a - 69b=> 105a = 84b => 5a = 4b a/b = 4/5 => a=4 & b=5=> bxa = 5x4 = 20.

प्र: On her deathbed, a grand mother called upon his three grand sons and told them to distribute all her assets worth Rs. 52,500 in the ratio of 1/35 : 1/21 : 1/15 amongst themselves. Find the smallest share amongst the three portions ? 1460 0

  • 1
    Rs. 5422
    सही
    गलत
  • 2
    Rs. 10,500
    सही
    गलत
  • 3
    Rs. 12,800
    सही
    गलत
  • 4
    Rs. 15,000
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उत्तर : 2. "Rs. 10,500"
व्याख्या :

Answer: B) Rs. 10,500 Explanation: The ratio of distribution should be: 21 x 15 : 15 x 35 : 35 x 21= 315 : 525 : 735 = 3 : 5 : 7The smallest share will be of worth: 3/15 x 52,500 = Rs. 10,500

प्र: P’s son Q is married with R whose sister S is married to T the brother of Q. How S is related to P ? 1550 0

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    Daughter-in-law
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    गलत
  • 2
    Sister
    सही
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  • 3
    Cousin
    सही
    गलत
  • 4
    Sister-in-law
    सही
    गलत
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उत्तर : 1. "Daughter-in-law"
व्याख्या :

Answer: A) Daughter-in-law Explanation: Since T is the brother of QTherefore, P is the father of Tbut S is the wife of T.Hence, S is the daughter-in-law of P.

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उत्तर : 1. "8"
व्याख्या :

Answer: A) 8 Explanation: There are 16 small cubes attached to the outer walls of the cuboid.Therefore remaining inner small cubes will be the cubes having two sides green coloured.So the required number = 24 - 16 = 8

प्र: Salaries of Karthik, Arun and Akhil were in the ratio 4 : 5 : 6 respectively. If their salaries were increased by 50 per cent, 60 per cent and 50 per cent respectively, what will be the new ratio of the salaries of Akhil, Arun and Karthik ? 1656 0

  • 1
    6 : 8 : 9
    सही
    गलत
  • 2
    8 : 6 : 9
    सही
    गलत
  • 3
    9 : 8 : 6
    सही
    गलत
  • 4
    6 : 5 : 4
    सही
    गलत
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उत्तर : 3. "9 : 8 : 6"
व्याख्या :

Answer: C) 9 : 8 : 6 Explanation: Given the salaries are in the ratio of 4 : 5 : 6   Now the salaries are increased by 50%, 60% and 50% respectively   The New ratio of salaries will be   4 x (150/100) : 5 x (160/100) : 6 x (150/100)   = 6 : 8 : 9   The new ratio of salaries of Akhil, Arun and Karthik is 9 : 8 : 6

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