CAT Practice Question and Answer

Q: 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
    Correct
    Wrong
  • 2
    166 2/3 million
    Correct
    Wrong
  • 3
    192 3/4 million
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "166 2/3 million"
Explanation :

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

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

  • 1
    3x2+5x+2=0
    Correct
    Wrong
  • 2
    5x2+3x+2=0
    Correct
    Wrong
  • 3
    3x2-5x-2=0
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "3x2+5x+2=0"
Explanation :

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

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

  • 1
    Andhra Pradesh
    Correct
    Wrong
  • 2
    Assam
    Correct
    Wrong
  • 3
    Telangana
    Correct
    Wrong
  • 4
    Maharashtra
    Correct
    Wrong
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Answer : 4. "Maharashtra"
Explanation :

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.

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

  • 1
    IIT, Kolkata
    Correct
    Wrong
  • 2
    IIT, Kharagpur
    Correct
    Wrong
  • 3
    IIT, Delhi
    Correct
    Wrong
  • 4
    IIT, Bombay
    Correct
    Wrong
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Answer : 2. "IIT, Kharagpur"
Explanation :

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.

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

  • 1
    England and France
    Correct
    Wrong
  • 2
    China and Russia
    Correct
    Wrong
  • 3
    Russia and England
    Correct
    Wrong
  • 4
    China and England
    Correct
    Wrong
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Answer : 4. "China and England"
Explanation :

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).

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

  • 1
    India
    Correct
    Wrong
  • 2
    Iran
    Correct
    Wrong
  • 3
    Japan
    Correct
    Wrong
  • 4
    England
    Correct
    Wrong
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Answer : 3. "Japan"
Explanation :

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

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

  • 1
    Mercury
    Correct
    Wrong
  • 2
    Zinc
    Correct
    Wrong
  • 3
    Tin
    Correct
    Wrong
  • 4
    Lead
    Correct
    Wrong
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Answer : 1. "Mercury"
Explanation :

Answer: A) Mercury Explanation:

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Answer : 4. "All of these"
Explanation :

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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