IIT JEE Practice Question and Answer

Q: Find the next two numbers in the sequence 4, 12, 6, 18, 12, 26, 30, ?, ? 1514 0

  • 1
    36 & 90
    Correct
    Wrong
  • 2
    90 & 41
    Correct
    Wrong
  • 3
    45 & 36
    Correct
    Wrong
  • 4
    41 & 36
    Correct
    Wrong
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Answer : 1. "36 & 90"
Explanation :

Answer: A) 36 & 90 Explanation: the next 2 number in series we need to divide the series into 2 different series First series : 4 , 6, 12, 30 ?? Second Series : 12,18,26, ?? So we need to see for the pattern for those series in order to find the next two number , we can do this by finding the difference or division , multiplication logic whatever may apply :   Pattern of Series 1 :   6 divide 4 : 1.5 Next number i.e 12 divided by 6=2 Next number i.e 30 divided by 12 =2.5 So series is going in multiples of 1.5, 2, 2.5, 3 , so on So first series will look like 4 , 6, 12, 30, 30x3 =90   Pattern of Series 2 : 12,18,26, ??   Its simple Adding numbers with iterative logic (i.e 6, 8, then followed by 10, 12) Series will be like 12,18,26,36.   For the next two numbers : Series will be like 4, 12, 6, 18, 12, 26, 30, 36, 90

Q: Wind and solar energy are examples of 1514 0

  • 1
    Non renewable
    Correct
    Wrong
  • 2
    Renewable
    Correct
    Wrong
  • 3
    Unsustainable
    Correct
    Wrong
  • 4
    Limited
    Correct
    Wrong
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Answer : 2. "Renewable"
Explanation :

Answer: B) Renewable Explanation: Many types of renewable energy resources such as wind and solar energy are constantly replenished and will never run out.

Q: 200 D for P G in M 1514 0

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Answer :
Explanation :

Logically the given letter equation implies that, 200 Dollars for Passing GO in Monopoly.

Q: World Suicide Prevention Day (WSPD) is observed every year on _______ 1513 0

  • 1
    1 September
    Correct
    Wrong
  • 2
    7 September
    Correct
    Wrong
  • 3
    D) is observed every year on _______  A) 1 September B) 7 September C)
    Correct
    Wrong
  • 4
    is observed every year on _______  A) 1 September B) 7 September C) 9 September D) 10 September
    Correct
    Wrong
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Answer : 4. "is observed every year on _______  A) 1 September B) 7 September C) 9 September D) 10 September"
Explanation :

Answer: D) 10 September Explanation: World Suicide Prevention Day (WSPD) is an awareness day celebrated on 10 September every year, keeping in mind the end goal to give overall commitment and action to anticipate suicides, with various activities around the world since 2003.

Q: Nucleic acids are polymers of 1513 0

  • 1
    Nucleotides
    Correct
    Wrong
  • 2
    Aminoacids
    Correct
    Wrong
  • 3
    Proteins
    Correct
    Wrong
  • 4
    Sugars
    Correct
    Wrong
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Answer : 1. "Nucleotides"
Explanation :

Answer: A) Nucleotides Explanation: Nucleic acids are polymers of individual nucleotide monomers. Each nucleotide is composed of three parts: a 5-carbon sugar, a phosphate group, and a nitrogenous base.

Q: Which city is the world’s most crowded cities, according to World Economic Forum (WEF) citing UN Habitat Data ? 1512 0

  • 1
    Mumbai
    Correct
    Wrong
  • 2
    Lahore
    Correct
    Wrong
  • 3
    Lagos
    Correct
    Wrong
  • 4
    Dhaka
    Correct
    Wrong
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Answer : 4. "Dhaka"
Explanation :

Answer: D) Dhaka Explanation: The capital of Bangladesh “Dhaka” is the world’s most crowded city with a population density of 44,500 people per square kilometre, released by World Economic Forum (WEF), citing UN Habitat data. According to UN Habitat data, of the top 10 most densely populated cities in the world, six are in Asia, three are in Africa and one is in South America. India’s financial capital Mumbai, home to 31,700 people per square kilometre has acquired second place, where as Kota in Rajasthan with 12,100 people per square kilometre was ranked seventh. Others in the list include Medellin in Columbia (3rd), Manila in Philippines (4th, 14,800), Casablanca in Morocco (5th, 14,200), Lagos in Nigeria (6th, 13,300), Singapore (8th, 10,200) and Jakarta in Indonesia (9th, 9,600).

Q: What molecule carries genetic information? 1512 0

  • 1
    RNA
    Correct
    Wrong
  • 2
    DNA
    Correct
    Wrong
  • 3
    Proteins
    Correct
    Wrong
  • 4
    Nucleotides
    Correct
    Wrong
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Answer : 2. "DNA"
Explanation :

Answer: B) DNA Explanation: The nucleus of a cell contains chromosomes, which carry genetic information in a long molecule called DNA. Genes are regions of DNA that carry the code to control a particular cell activity or the production of a particular protein.

Q: India's longest cable-bridge inaugurated by PM Modi in which state ? 1511 0

  • 1
    Assam
    Correct
    Wrong
  • 2
    Telangana
    Correct
    Wrong
  • 3
    Gujarat
    Correct
    Wrong
  • 4
    Karnataka
    Correct
    Wrong
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Answer : 3. "Gujarat"
Explanation :

Answer: C) Gujarat Explanation: PM Modi Inaugurated India's Longest Cable Bridge in Gujarat, a four-lane bridge over the river Narmada in Bharuch. The bridge is 1344 metres long and 22.8 metres wide. It is built by Larsen and Turbo as a part of the Rs. 379 crore project of the National Highway Authority of India.

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