IIT JEE Practice Question and Answer

Q: If 15% of x = 20% of y, then x:y is  ___? 2350 0

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

Answer: A) 4:3 Explanation: Given 15% of x = 20% of y => 15x = 20y => x/y = 20/15 => x : y = 4 : 3

Q: Which Temple has been awarded the ‘most visited place of the world’ by 'World Book of Records' (WBR)? 1272 0

  • 1
    Vaishnodevi temple
    Correct
    Wrong
  • 2
    Golden Temple
    Correct
    Wrong
  • 3
    Meenakshi Temple
    Correct
    Wrong
  • 4
    Rawli Maharaj Temple
    Correct
    Wrong
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Answer : 2. "Golden Temple"
Explanation :

Answer: B) Golden Temple Explanation: WBR that is World Book of Records, the London based organization that focuses on maintaining and cataloging the world records has awarded the title of 'Most visited place in the World' to the famous Golden Temple. This holy Shrine has recorded quite an uplift after the successful Heritage street project carried out by the Amritsar department.  Sri Harmandir Sahib, also known as Golden Temple and the Darbar Sahib, is the holiest Gurdwara and the most important pilgrimage site of Sikhism. It is located in the city of Amritsar, Punjab, India.

Q: A motorboat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the motorboat and speed of the water current respectively? 1419 0

  • 1
    3:7
    Correct
    Wrong
  • 2
    7:9
    Correct
    Wrong
  • 3
    5:4
    Correct
    Wrong
  • 4
    8:3
    Correct
    Wrong
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Answer : 4. "8:3"
Explanation :

Answer: D) 8:3 Explanation: Let the man's rate upstream be x kmph and that downstream be y kmph. Then, distance covered upstream in 8 hrs 48 min = Distance covered downstream in 4 hrs. x x 8 4 = (y x 4) 5 44 x =4y 5  y = 11 x. 5  Required ratio = y + x : y - x 2 2    = 16x x 1 : 6x x 1 5 2 5 2    = 8 : 3 5 5    = 8 : 3.

Q: If HAT is coded as 'jcv' then what will GUN be coded as? 6733 0

  • 1
    iwp
    Correct
    Wrong
  • 2
    IKM
    Correct
    Wrong
  • 3
    kip
    Correct
    Wrong
  • 4
    Klp
    Correct
    Wrong
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Answer : 1. "iwp"
Explanation :

Answer: A) iwp Explanation: Here HAT is coded as jcv => Leaving a letter in between i.e, after H leave i write j in small letters In the same way, A => c, T => v Similarly for GUN => iwp

Q: P is 30% more efficient than Q. How much time will they, working together, take to complete a job which P alone could have done in 23 days? 1487 0

  • 1
    16 days
    Correct
    Wrong
  • 2
    13 days
    Correct
    Wrong
  • 3
    15 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 2. "13 days"
Explanation :

Answer: B) 13 days Explanation: Ratio of times taken by P & Q = 100 : 130 = 10:13   Let Q takes x days to do the work Then, 10:13 :: 23:x => x = 23x13/10 => x = 299/10   P's 1 day's work = 1/23 Q's 1 day's work = 10/299 (P+Q)'s 1 day's work = (1/23 + 10/299) = 23/299 = 1/13 Hence, P & Q together can complete the work in 13 days.

Q: Garampani sanctuary is located at 2280 0

  • 1
    Diphu, Assam
    Correct
    Wrong
  • 2
    Gangtok, Sikkim
    Correct
    Wrong
  • 3
    Junagarh, Gujarat
    Correct
    Wrong
  • 4
    Kohima, Nagaland
    Correct
    Wrong
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Answer : 1. "Diphu, Assam"
Explanation :

Answer: A) Diphu, Assam Explanation: Famous for Hot water springs and homeland for Hoolock Gibbons and Golden Langurs, The Garampani Wildlife Sanctuary is situated in Karbi Anglong of Diphu area. One of the oldest Sanctuary containing Hot water spring and waterfalls and surrounded by Nambour Sanctuary having 51 rare species of Orchid. It has a total area of 6 sq. Km.

Q: The Global Entrepreneurship Summit (GES) 2017 was in ______? 1399 0

  • 1
    Spain
    Correct
    Wrong
  • 2
    Hyderabad
    Correct
    Wrong
  • 3
    Newyork
    Correct
    Wrong
  • 4
    Beijing
    Correct
    Wrong
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Answer : 2. "Hyderabad"
Explanation :

Answer: B) Hyderabad Explanation: The United States of America and the Republic of India are proud to announce the 8th annual Global Entrepreneurship Summit (GES) in Hyderabad, India on 28-30 November, 2017. This year's Summit will highlight the theme Women First, Prosperity for All, and will focus on supporting women entrepreneurs and fostering economic growth globally. Advisor to the President Ivanka Trump will headline the United States delegation to the Summit.   GES is the preeminent annual entrepreneurship gathering that convenes emerging entrepreneurs, investors and supporters from around the world. GES 2017 will create an environment that empowers innovators, particularly women, to take their ideas to the next level. Through two and a half days of networking, mentoring, and workshops, GES empowers entrepreneurs to pitch their ideas, build partnerships, secure funding, innovate, and find their target customers --- creating new goods and services that will transform societies.

Q: Which of the following Rivers has no Bridges built over it? 1770 0

  • 1
    Nile
    Correct
    Wrong
  • 2
    Congo river
    Correct
    Wrong
  • 3
    Amazon river
    Correct
    Wrong
  • 4
    Yellow river
    Correct
    Wrong
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Answer : 3. "Amazon river"
Explanation :

Answer: C) Amazon river Explanation: There are No bridges over The Amazon River. The Amazon River, in South America, is the largest river by discharge volume of water in the world and the second longest in length after The Nile in Egypt.

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