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प्र: When 5% is lost in grinding Maize, a country has to import 20 million bags; but when only 2% is lost, it has to import only 15 million bags. Find the quantity of Maize, which grows in the country ? 1500 0

  • 1
    188 million
    सही
    गलत
  • 2
    166 2/3 million
    सही
    गलत
  • 3
    192 3/4 million
    सही
    गलत
  • 4
    None
    सही
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उत्तर : 2. "166 2/3 million"
व्याख्या :

Answer: B) 166 2/3 million Explanation: 5% - 2% = 3%=> 3% ------ 5 million bags 100% ---- ? => 166 2/3 million bags.

प्र: Find the quadratic equations whose roots are the reciprocals of the roots of 2x2+5x+3? 1840 0

  • 1
    3x2+5x+2=0
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    गलत
  • 2
    5x2+3x+2=0
    सही
    गलत
  • 3
    3x2-5x-2=0
    सही
    गलत
  • 4
    None
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उत्तर : 1. "3x2+5x+2=0"
व्याख्या :

Answer: A) A Explanation: The quadratic equation whose roots are reciprocal of 2x2+5x+3=0 can be obtained by replacing x by 1/x.   Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0   => 3x2+5x+2=0

प्र: Which state government has launched “Mahaswayam portal” for job seekers and employers  ? 1743 0

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    Andhra Pradesh
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  • 2
    Assam
    सही
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  • 3
    Telangana
    सही
    गलत
  • 4
    Maharashtra
    सही
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उत्तर : 4. "Maharashtra"
व्याख्या :

Answer: D) Maharashtra Explanation: The Chief Minister of Maharashtra Devendra Fadnavis has recently launched a web portal ‘Mahaswayam’ for job seekers, employers, entrepreneurs and training institutes. At ‘Mahaswayam’, job seekers will be able to register themselves, search as well as apply for jobs, inquire for training, get information on self-employment and get details of job fairs. Besides, training institutes can also register, get details on participation in the state skill development programme, get training fee receipts, and can also receive training fee through ECS. Apart from this, entrepreneurs can also post job vacancy advertisements at the portal.

प्र: Which IIT institute has developed ‘soil-to-soil’ technology to manufacture cheaper, quicker and pollution-free bio fuel  ? 1297 0

  • 1
    IIT, Kolkata
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  • 2
    IIT, Kharagpur
    सही
    गलत
  • 3
    IIT, Delhi
    सही
    गलत
  • 4
    IIT, Bombay
    सही
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उत्तर : 2. "IIT, Kharagpur"
व्याख्या :

Answer: B) IIT, Kharagpur Explanation: The researchers at IIT Kharagpur have developed a new technology to manufacture cheaper, quicker and pollution-free bio-fuel. The ‘soil-to-soil’ manufacturing technology developed at the P K Sinha Centre for bio-energy at IIT-KGP is in the process of being patented. The technique will ensure relatively quicker production of bio-fuel and the process is completely green. The green leafy part of corn and sugarcane plants, the waste part of paddy straw, bamboo, banana plant, pineapple and cotton plants, kans grass (kassh phool), castor plant and even non-edible weeds that grow in dry and waste land and a mix of all has been used by IIT-KGP to produce bio fuel. The project is funded by the Ministry of Petroleum and Natural Gas, Department of Science and Technology and the Ministry of Human Resource Development.

प्र: The Opium war id held between which two countries  ? 2503 0

  • 1
    England and France
    सही
    गलत
  • 2
    China and Russia
    सही
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  • 3
    Russia and England
    सही
    गलत
  • 4
    China and England
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उत्तर : 4. "China and England"
व्याख्या :

Answer: D) China and England Explanation: The Opium Wars were two wars in the mid-19th century involving Anglo-Chinese disputes over British trade in China and China’s sovereignty. The disputes included the First Opium War (1839–1842) and the Second Opium War (1856–1860).

प्र: The oldest dynasty still ruling in which country   ? 2404 0

  • 1
    India
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  • 2
    Iran
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  • 3
    Japan
    सही
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  • 4
    England
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उत्तर : 3. "Japan"
व्याख्या :

Answer: C) Japan Explanation: The longest-surviving dynasty in the world is the Imperial House of Japan.

प्र: Which of the following metals forms an amalgam with other metals  ? 3233 1

  • 1
    Mercury
    सही
    गलत
  • 2
    Zinc
    सही
    गलत
  • 3
    Tin
    सही
    गलत
  • 4
    Lead
    सही
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उत्तर : 1. "Mercury"
व्याख्या :

Answer: A) Mercury Explanation:

प्र: I, J , K and L are all distinct individual. I is the daughter of J. J is the son of K and 'K' is the father of L. If B is the son of J and B has one brother, 'D'. Then which of the following statements is/ are true ? I. I is the sister of D. II. D and B are brother. III. K is the grand father of D. 1394 0

  • 1
    Only I
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  • 2
    I & II
    सही
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  • 3
    Only III
    सही
    गलत
  • 4
    All of these
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उत्तर : 4. "All of these"
व्याख्या :

Answer: D) All of these Explanation:    K    |    J -- L    |    I -- D -- B Here I is female J, K, L & D , B are males Then from the above conditions, All of the given statements are true.

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