CAT Practice Question and Answer

Q: 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it ? 1373 0

  • 1
    40 days
    Correct
    Wrong
  • 2
    36 days
    Correct
    Wrong
  • 3
    32 days
    Correct
    Wrong
  • 4
    34 days
    Correct
    Wrong
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Answer : 1. "40 days"
Explanation :

Answer: A) 40 days Explanation: Let 1 man's 1 day work = x and 1 woman's 1 day work = y.Then, 4x + 6y = 1/8 and 3x + 7y = 1/10Solving these two equations, we get:x = 11/400 and y = 1/40010 woman's 1 day work = (1/400 x 10) = 1/40. Hence, 10 women will complete the work in 40 days.

Q: How many laws of physics are there? 1372 0

  • 1
    5
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "3"
Explanation :

Answer: C) 3 Explanation: Physics has 5 laws. But the 3 laws of Newton has been clubbed together under one Law. Therefore there are 3 Newtons laws of Physics. They are ::   1. Newtons Laws of Motion     a. First Law of Motion     b. Second Law of Motion     C. Third Law of Motion   2. Newtons Law of Cooling   3. Newtons Law of Gravitation.

Q: India’s first and longest sea ropeway will be built between which places, as announced on 24 April 2017  ? 1372 0

  • 1
    Mumbai & Elephanta Island
    Correct
    Wrong
  • 2
    Vizag & Andaman
    Correct
    Wrong
  • 3
    Goa & Andaman
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Mumbai & Elephanta Island"
Explanation :

Answer: A) Mumbai & Elephanta Island Explanation: India’s first and longest ropeway to connect Mumbai with the famous Elephanta Island in the Arabian Sea is planned to be constructed by the Mumbai Port Trust, according to the official report.  The 8-km ropeway will begin from Sewri in Mumbai’s east coast and end at Raigad district’s Elephanta Island, globally renowned for Elephanta Caves, a UNESCO World Heritage site.

Q: As per the decision of the GST Council, e-Way Bill system has been rolled out from 1371 0

  • 1
    1st March 2018
    Correct
    Wrong
  • 2
    1st April 2018
    Correct
    Wrong
  • 3
    1st May 2018
    Correct
    Wrong
  • 4
    1st January 2018
    Correct
    Wrong
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Answer : 2. "1st April 2018"
Explanation :

Answer: B) 1st April 2018 Explanation: As per the decision of the GST Council, e-Way Bill system has been rolled out from 1st of April this year (2018).

Q: Synonym of Trustworthy? 1371 0

  • 1
    Tenacity
    Correct
    Wrong
  • 2
    Insolent
    Correct
    Wrong
  • 3
    Resolute
    Correct
    Wrong
  • 4
    Reliable
    Correct
    Wrong
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Answer : 4. "Reliable"
Explanation :

Answer: D) Reliable Explanation:

Q: The cabinet minister of India who deals with Ministry of Defence in June 2017  ? 1369 0

  • 1
    Shri Narendra Modi
    Correct
    Wrong
  • 2
    Shri Rajnath Singh
    Correct
    Wrong
  • 3
    Shri Kalraj Mishra
    Correct
    Wrong
  • 4
    Shri Arun Jaitley
    Correct
    Wrong
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Answer : 4. "Shri Arun Jaitley"
Explanation :

Answer: D) Shri Arun Jaitley Explanation: 1. Shri Narendra Modi Prime Minister and also in-charge of:– Ministry of Personnel– Public Grievances and Pensions– Department of Atomic Energy– Department of Space All important policy issues and all otherportfolios not allocated to any Minister. 2. Shri Raj Nath Singh         -       Minister of Home Affairs3. Smt. Sushma Swaraj       -       Minister of External Affairs4. Shri Arun Jaitley             –       Minister of Finance                                        –       Minister of Corporate Affairs5. Shri M. Venkaiah Naidu   –       Minister of Urban Development                                        –       Minister of Housing and                                                 Urban Poverty Alleviation                                        –       Minister of Information & Broadcasting6. Shri Nitin Jairam Gadkari –      Minister of Road Transport                                                 & Highway                                                – Minister of Shipping7. Shri Arun Jaitley(Additional Charge)             -      Minister of Defence8. Shri Suresh Prabhu          -     Minister of Railways9. D.V Sadananda Gowda    -      Minister of Statistics & Programme Implementation10. Sushri Uma Bharati       -      Minister of Water Resources,                                                River Development & Ganga Rejuvenation11. Mukhtar Abbas Naqvi    -      Minister of Minority Affairs12. Shri Ramvilas Paswan   -      Minister of Consumer Affairs, Food & Public Distribution13. Shri Kalraj Mishra         -      Minister of Micro, Small & Medium Enterprises14. Maneka Sanjay Gandhi  -     Minister of Women & Child Development15. Shri Ananth Kumar       -     Minister of Chemicals & Fertilizers16. Shri. Ravi Shankar Prasad – Minister of Law & Justice                                            – Minister of Electronics & Information Technology17. Shri Jagat Prakash Nadda  - Minister of Health & Family Welfare18. Ashok Gajapathi Raju Pusapati -  Minister of Civil Aviation19. Shri. Anant Geete            -          Minister of Heavy Industries & Public Enterprises20. Smt. Harsimrat Kaur Badal -        Minister of Food Processing Industries21. Shri Narendra Singh Tomar – Minister of Rural Development                                              – Minister of Panchayati Raj                                              – Minister of Drinking Water & Sanitation22. Shri Chaudhary Birender Singh - Minister of Steel23. Shri Jual Oram                   -      Minister of Tribal Affairs24. Shri Radha Mohan Singh     -      Minister of Agriculture & Farmers Welfare25. Shri Thawar Chand Gehlot   -      Minister of Social Justice & Empowerment26. Smt. Smriti Irani                 -      Minister of Textiles27. Dr Harsh Vardhan                –     Minister of Science & Technology                                               –     Minister of Earth Sciences 28. Prakash Javadekar               -     Human Resource Development

Q: What does 'C' stands for in the abbreviation UNODC ? 1368 0

  • 1
    Crime
    Correct
    Wrong
  • 2
    Cinema
    Correct
    Wrong
  • 3
    Committee
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Crime"
Explanation :

Answer: A) Crime Explanation: UNODC is abbreviated as United Nations Office on Drugs and Crime. It is a global leader in the fight against illicit drugs and international crime. Established in 1997 through a merger between the United Nations Drug Control Programme and the Centre for International Crime Prevention, UNODC operates in all regions of the world through an extensive network of field offices.

Q: If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is  ? 1367 0

  • 1
    1
    Correct
    Wrong
  • 2
    1/2
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    3/5
    Correct
    Wrong
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Answer : 2. "1/2"
Explanation :

Answer: B) 1/2 Explanation: The number of exhaustive outcomes is 36.Let E be the event of getting an even number on one die and an odd number on the other. Let the event of getting either both even or both odd then = 18/36 = 1/2P(E) = 1 - 1/2 = 1/2.

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