IIT JEE Practice Question and Answer

Q: Uma sold an article for 3400 and got a profit of 25%. If he had sold the article for Rs. 3265. How much profit% would Uma have got ? 1426 0

  • 1
    22%
    Correct
    Wrong
  • 2
    27%
    Correct
    Wrong
  • 3
    20%
    Correct
    Wrong
  • 4
    18%
    Correct
    Wrong
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Answer : 3. "20%"
Explanation :

Answer: C) 20% Explanation: Given       125% ---- 3400 => 100% ---- ? => ? = 3400x100/125 = 2720 => Cost price of the article = Rs. 2720 Profit when article sold at Rs. 3265 = 3265 - 2720 = 545 Hence, Profit% = Gain x 100/cost price => P% = 545 x 100/2720 => P% = 20%

Q: According to Forbes, Who has become Asia’s richest person in the year 2017? 1425 0

  • 1
    Jeff Bezos
    Correct
    Wrong
  • 2
    Hui Ka Yan
    Correct
    Wrong
  • 3
    Mukesh Ambani
    Correct
    Wrong
  • 4
    Bill Gates
    Correct
    Wrong
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Answer : 3. "Mukesh Ambani"
Explanation :

Answer: C) Mukesh Ambani Explanation: Reliance Industries Chairman Mukesh Ambani overtook China’s Hui Ka Yan to become Asia’s richest person with a total wealth of $42.1 billion. According to Forbes’ real time billionaire’s list, Ambani's personal wealth rose by $466 million in 2017.

Q: What has 4 Eyes But cannot see? 1424 0

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Answer :
Explanation :

What has 4 Eyes But cannot see is Mississippi. The wording of Mississippi has 4 'i''s. But it can't see.

Q: In a plane 8 points are colliner  out of 12 points, then the number of triangles we get with those 12 points is 1422 0

  • 1
    20
    Correct
    Wrong
  • 2
    160
    Correct
    Wrong
  • 3
    164
    Correct
    Wrong
  • 4
    220
    Correct
    Wrong
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Answer : 3. "164"
Explanation :

Answer: C) 164 Explanation: For a triangle, we need 3 non-collinear points. So with 12 points (when all the 12 are such that any three non-collinear is12C3. But among them 8 points are collinear.   If all these 8 points are different we get 8C3 triangles as they are collinear.   In 12C3 triangles, we do not get 8C3 triangles   Therefore, The number of triangles we get = 12C3-8C3 = 164

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 ? 1421 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: In How many ways can the letters of the word 'CAPITAL' be arranged in such a way that all the vowels always come together? 1421 0

  • 1
    360
    Correct
    Wrong
  • 2
    720
    Correct
    Wrong
  • 3
    120
    Correct
    Wrong
  • 4
    840
    Correct
    Wrong
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Answer : 1. "360"
Explanation :

Answer: A) 360 Explanation: CAPITAL = 7   Vowels = 3 (A, I, A)   Consonants = (C, P, T, L)   5 letters which can be arranged in  5P5=5!   Vowels A,I = 3!2!   No.of arrangements = 5! x 3!2!=360

Q: Who had announced that democracy is a government " of the people, by the people and for the people " ? 1420 0

  • 1
    Abraham Lincoln
    Correct
    Wrong
  • 2
    George Washignton
    Correct
    Wrong
  • 3
    Theodore Roosevelt
    Correct
    Wrong
  • 4
    Winston Churchill
    Correct
    Wrong
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Answer : 1. "Abraham Lincoln"
Explanation :

Answer: A) Abraham Lincoln Explanation:

Q: The cabinet minister of India who deals with Ministry of Defence in June 2017  ? 1419 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

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